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Finding the Fourth Proportional to 249,425.04, 375,821.28 and 206,024.16

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Solution

The fourth proportional to 249,425.04, 375,821.28 and 206,024.16 is: 310,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,425.04 : 375,821.28 = 206,024.16 : x
  2. Step 2: Convert to fraction form
    249,425.04/375,821.28 = 206,024.16/x
  3. Step 3: Cross multiply
    249,425.04x = 375,821.28 × 206,024.16
  4. Step 4: Simplify right side
    249,425.04x = 77,428,263,522.12
  5. Step 5: Solve for x
    x = 77,428,263,522.12/249,425.04
  6. Step 6: Final answer
    x = 310,426.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.