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Finding the Fourth Proportional to 424,060.59, 585,208.13 and 230,468.31

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Solution

The fourth proportional to 424,060.59, 585,208.13 and 230,468.31 is: 318,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,060.59 : 585,208.13 = 230,468.31 : x
  2. Step 2: Convert to fraction form
    424,060.59/585,208.13 = 230,468.31/x
  3. Step 3: Cross multiply
    424,060.59x = 585,208.13 × 230,468.31
  4. Step 4: Simplify right side
    424,060.59x = 134,871,928,863.40
  5. Step 5: Solve for x
    x = 134,871,928,863.40/424,060.59
  6. Step 6: Final answer
    x = 318,048.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.