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Finding the Fourth Proportional to 424,878.16, 586,348.56 and 233,909.32

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Solution

The fourth proportional to 424,878.16, 586,348.56 and 233,909.32 is: 322,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,878.16 : 586,348.56 = 233,909.32 : x
  2. Step 2: Convert to fraction form
    424,878.16/586,348.56 = 233,909.32/x
  3. Step 3: Cross multiply
    424,878.16x = 586,348.56 × 233,909.32
  4. Step 4: Simplify right side
    424,878.16x = 137,152,392,952.58
  5. Step 5: Solve for x
    x = 137,152,392,952.58/424,878.16
  6. Step 6: Final answer
    x = 322,804.06

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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.