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Finding the Fourth Proportional to 364,060.86, 546,337.22 and 127,405.59

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Solution

The fourth proportional to 364,060.86, 546,337.22 and 127,405.59 is: 191,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,060.86 : 546,337.22 = 127,405.59 : x
  2. Step 2: Convert to fraction form
    364,060.86/546,337.22 = 127,405.59/x
  3. Step 3: Cross multiply
    364,060.86x = 546,337.22 × 127,405.59
  4. Step 4: Simplify right side
    364,060.86x = 69,606,415,853.06
  5. Step 5: Solve for x
    x = 69,606,415,853.06/364,060.86
  6. Step 6: Final answer
    x = 191,194.45

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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.