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Finding the Fourth Proportional to 376,505.42, 519,395.06 and 249,287.62

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Solution

The fourth proportional to 376,505.42, 519,395.06 and 249,287.62 is: 343,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,505.42 : 519,395.06 = 249,287.62 : x
  2. Step 2: Convert to fraction form
    376,505.42/519,395.06 = 249,287.62/x
  3. Step 3: Cross multiply
    376,505.42x = 519,395.06 × 249,287.62
  4. Step 4: Simplify right side
    376,505.42x = 129,478,758,347.16
  5. Step 5: Solve for x
    x = 129,478,758,347.16/376,505.42
  6. Step 6: Final answer
    x = 343,896.13

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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.