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Finding the Fourth Proportional to 384,614.60, 577,038.42 and 272,511.68

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Solution

The fourth proportional to 384,614.60, 577,038.42 and 272,511.68 is: 408,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,614.60 : 577,038.42 = 272,511.68 : x
  2. Step 2: Convert to fraction form
    384,614.60/577,038.42 = 272,511.68/x
  3. Step 3: Cross multiply
    384,614.60x = 577,038.42 × 272,511.68
  4. Step 4: Simplify right side
    384,614.60x = 157,249,709,258.75
  5. Step 5: Solve for x
    x = 157,249,709,258.75/384,614.60
  6. Step 6: Final answer
    x = 408,850.08

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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.