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Finding the Fourth Proportional to 447,598.15, 671,404.35 and 249,179.70

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Solution

The fourth proportional to 447,598.15, 671,404.35 and 249,179.70 is: 373,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,598.15 : 671,404.35 = 249,179.70 : x
  2. Step 2: Convert to fraction form
    447,598.15/671,404.35 = 249,179.70/x
  3. Step 3: Cross multiply
    447,598.15x = 671,404.35 × 249,179.70
  4. Step 4: Simplify right side
    447,598.15x = 167,300,332,833.18
  5. Step 5: Solve for x
    x = 167,300,332,833.18/447,598.15
  6. Step 6: Final answer
    x = 373,773.51

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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.