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Finding the Fourth Proportional to 461,056, 636,257.28 and 249,088

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Solution

The fourth proportional to 461,056, 636,257.28 and 249,088 is: 343,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,056 : 636,257.28 = 249,088 : x
  2. Step 2: Convert to fraction form
    461,056/636,257.28 = 249,088/x
  3. Step 3: Cross multiply
    461,056x = 636,257.28 × 249,088
  4. Step 4: Simplify right side
    461,056x = 158,484,053,360.64
  5. Step 5: Solve for x
    x = 158,484,053,360.64/461,056
  6. Step 6: Final answer
    x = 343,741.44

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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.