Home / 326,054.40-489,083.20-148,437.12

Finding the Fourth Proportional to 326,054.40, 489,083.20 and 148,437.12

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Solution

The fourth proportional to 326,054.40, 489,083.20 and 148,437.12 is: 222,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,054.40 : 489,083.20 = 148,437.12 : x
  2. Step 2: Convert to fraction form
    326,054.40/489,083.20 = 148,437.12/x
  3. Step 3: Cross multiply
    326,054.40x = 489,083.20 × 148,437.12
  4. Step 4: Simplify right side
    326,054.40x = 72,598,101,648.38
  5. Step 5: Solve for x
    x = 72,598,101,648.38/326,054.40
  6. Step 6: Final answer
    x = 222,656.41

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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.