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Finding the Fourth Proportional to 453,937.13, 626,435.10 and 260,352.29

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Solution

The fourth proportional to 453,937.13, 626,435.10 and 260,352.29 is: 359,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,937.13 : 626,435.10 = 260,352.29 : x
  2. Step 2: Convert to fraction form
    453,937.13/626,435.10 = 260,352.29/x
  3. Step 3: Cross multiply
    453,937.13x = 626,435.10 × 260,352.29
  4. Step 4: Simplify right side
    453,937.13x = 163,093,814,387.47
  5. Step 5: Solve for x
    x = 163,093,814,387.47/453,937.13
  6. Step 6: Final answer
    x = 359,287.23

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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.