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Finding the Fourth Proportional to 385,833.83, 532,273.41 and 249,913.13

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Solution

The fourth proportional to 385,833.83, 532,273.41 and 249,913.13 is: 344,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,833.83 : 532,273.41 = 249,913.13 : x
  2. Step 2: Convert to fraction form
    385,833.83/532,273.41 = 249,913.13/x
  3. Step 3: Cross multiply
    385,833.83x = 532,273.41 × 249,913.13
  4. Step 4: Simplify right side
    385,833.83x = 133,022,111,247.51
  5. Step 5: Solve for x
    x = 133,022,111,247.51/385,833.83
  6. Step 6: Final answer
    x = 344,765.29

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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.