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Finding the Fourth Proportional to 364,090.14, 546,024.33 and 127,388.70

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Solution

The fourth proportional to 364,090.14, 546,024.33 and 127,388.70 is: 191,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,090.14 : 546,024.33 = 127,388.70 : x
  2. Step 2: Convert to fraction form
    364,090.14/546,024.33 = 127,388.70/x
  3. Step 3: Cross multiply
    364,090.14x = 546,024.33 × 127,388.70
  4. Step 4: Simplify right side
    364,090.14x = 69,557,329,567.07
  5. Step 5: Solve for x
    x = 69,557,329,567.07/364,090.14
  6. Step 6: Final answer
    x = 191,044.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.