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Finding the Fourth Proportional to 364,624.59, 546,936.88 and 98,385.09

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Solution

The fourth proportional to 364,624.59, 546,936.88 and 98,385.09 is: 147,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,624.59 : 546,936.88 = 98,385.09 : x
  2. Step 2: Convert to fraction form
    364,624.59/546,936.88 = 98,385.09/x
  3. Step 3: Cross multiply
    364,624.59x = 546,936.88 × 98,385.09
  4. Step 4: Simplify right side
    364,624.59x = 53,810,434,163.12
  5. Step 5: Solve for x
    x = 53,810,434,163.12/364,624.59
  6. Step 6: Final answer
    x = 147,577.63

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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.