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Finding the Fourth Proportional to 364,482.52, 546,721.45 and 124,480.63

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Solution

The fourth proportional to 364,482.52, 546,721.45 and 124,480.63 is: 186,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,482.52 : 546,721.45 = 124,480.63 : x
  2. Step 2: Convert to fraction form
    364,482.52/546,721.45 = 124,480.63/x
  3. Step 3: Cross multiply
    364,482.52x = 546,721.45 × 124,480.63
  4. Step 4: Simplify right side
    364,482.52x = 68,056,230,902.71
  5. Step 5: Solve for x
    x = 68,056,230,902.71/364,482.52
  6. Step 6: Final answer
    x = 186,720.15

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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.