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Finding the Fourth Proportional to 453,863.18, 626,326.08 and 249,910.04

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Solution

The fourth proportional to 453,863.18, 626,326.08 and 249,910.04 is: 344,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,863.18 : 626,326.08 = 249,910.04 : x
  2. Step 2: Convert to fraction form
    453,863.18/626,326.08 = 249,910.04/x
  3. Step 3: Cross multiply
    453,863.18x = 626,326.08 × 249,910.04
  4. Step 4: Simplify right side
    453,863.18x = 156,525,175,705.84
  5. Step 5: Solve for x
    x = 156,525,175,705.84/453,863.18
  6. Step 6: Final answer
    x = 344,873.04

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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.