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Finding the Fourth Proportional to 424,448.39, 585,726.43 and 233,461.73

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Solution

The fourth proportional to 424,448.39, 585,726.43 and 233,461.73 is: 322,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,448.39 : 585,726.43 = 233,461.73 : x
  2. Step 2: Convert to fraction form
    424,448.39/585,726.43 = 233,461.73/x
  3. Step 3: Cross multiply
    424,448.39x = 585,726.43 × 233,461.73
  4. Step 4: Simplify right side
    424,448.39x = 136,744,701,558.58
  5. Step 5: Solve for x
    x = 136,744,701,558.58/424,448.39
  6. Step 6: Final answer
    x = 322,170.39

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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.