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Finding the Fourth Proportional to 461,537.68, 636,921.66 and 260,333.68

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Solution

The fourth proportional to 461,537.68, 636,921.66 and 260,333.68 is: 359,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,537.68 : 636,921.66 = 260,333.68 : x
  2. Step 2: Convert to fraction form
    461,537.68/636,921.66 = 260,333.68/x
  3. Step 3: Cross multiply
    461,537.68x = 636,921.66 × 260,333.68
  4. Step 4: Simplify right side
    461,537.68x = 165,812,159,619.51
  5. Step 5: Solve for x
    x = 165,812,159,619.51/461,537.68
  6. Step 6: Final answer
    x = 359,260.29

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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.