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Finding the Fourth Proportional to 424,065.98, 585,203.54 and 233,079.32

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Solution

The fourth proportional to 424,065.98, 585,203.54 and 233,079.32 is: 321,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,065.98 : 585,203.54 = 233,079.32 : x
  2. Step 2: Convert to fraction form
    424,065.98/585,203.54 = 233,079.32/x
  3. Step 3: Cross multiply
    424,065.98x = 585,203.54 × 233,079.32
  4. Step 4: Simplify right side
    424,065.98x = 136,398,843,462.41
  5. Step 5: Solve for x
    x = 136,398,843,462.41/424,065.98
  6. Step 6: Final answer
    x = 321,645.33

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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.