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Finding the Fourth Proportional to 326,119.95, 489,179.93 and 302,500.35

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Solution

The fourth proportional to 326,119.95, 489,179.93 and 302,500.35 is: 453,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,119.95 : 489,179.93 = 302,500.35 : x
  2. Step 2: Convert to fraction form
    326,119.95/489,179.93 = 302,500.35/x
  3. Step 3: Cross multiply
    326,119.95x = 489,179.93 × 302,500.35
  4. Step 4: Simplify right side
    326,119.95x = 147,977,098,525.47
  5. Step 5: Solve for x
    x = 147,977,098,525.47/326,119.95
  6. Step 6: Final answer
    x = 453,750.53

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.