Home / 319,235.20-478,766.40-94,595.20

Finding the Fourth Proportional to 319,235.20, 478,766.40 and 94,595.20

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Solution

The fourth proportional to 319,235.20, 478,766.40 and 94,595.20 is: 141,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,235.20 : 478,766.40 = 94,595.20 : x
  2. Step 2: Convert to fraction form
    319,235.20/478,766.40 = 94,595.20/x
  3. Step 3: Cross multiply
    319,235.20x = 478,766.40 × 94,595.20
  4. Step 4: Simplify right side
    319,235.20x = 45,289,003,361.28
  5. Step 5: Solve for x
    x = 45,289,003,361.28/319,235.20
  6. Step 6: Final answer
    x = 141,867.20

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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.