Home / 331,567.20-497,350.80-307,947.60

Finding the Fourth Proportional to 331,567.20, 497,350.80 and 307,947.60

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Solution

The fourth proportional to 331,567.20, 497,350.80 and 307,947.60 is: 461,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,567.20 : 497,350.80 = 307,947.60 : x
  2. Step 2: Convert to fraction form
    331,567.20/497,350.80 = 307,947.60/x
  3. Step 3: Cross multiply
    331,567.20x = 497,350.80 × 307,947.60
  4. Step 4: Simplify right side
    331,567.20x = 153,157,985,218.08
  5. Step 5: Solve for x
    x = 153,157,985,218.08/331,567.20
  6. Step 6: Final answer
    x = 461,921.40

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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.