Home / 347,601.40-521,402.10-268,869.40

Finding the Fourth Proportional to 347,601.40, 521,402.10 and 268,869.40

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Solution

The fourth proportional to 347,601.40, 521,402.10 and 268,869.40 is: 403,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,601.40 : 521,402.10 = 268,869.40 : x
  2. Step 2: Convert to fraction form
    347,601.40/521,402.10 = 268,869.40/x
  3. Step 3: Cross multiply
    347,601.40x = 521,402.10 × 268,869.40
  4. Step 4: Simplify right side
    347,601.40x = 140,189,069,785.74
  5. Step 5: Solve for x
    x = 140,189,069,785.74/347,601.40
  6. Step 6: Final answer
    x = 403,304.10

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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.