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Finding the Fourth Proportional to 453,720.69, 626,113.08 and 249,767.46

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Solution

The fourth proportional to 453,720.69, 626,113.08 and 249,767.46 is: 344,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,720.69 : 626,113.08 = 249,767.46 : x
  2. Step 2: Convert to fraction form
    453,720.69/626,113.08 = 249,767.46/x
  3. Step 3: Cross multiply
    453,720.69x = 626,113.08 × 249,767.46
  4. Step 4: Simplify right side
    453,720.69x = 156,382,673,664.38
  5. Step 5: Solve for x
    x = 156,382,673,664.38/453,720.69
  6. Step 6: Final answer
    x = 344,667.27

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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.