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Finding the Fourth Proportional to 500,500.42, 750,825.80 and 145,468.31

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Solution

The fourth proportional to 500,500.42, 750,825.80 and 145,468.31 is: 218,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,500.42 : 750,825.80 = 145,468.31 : x
  2. Step 2: Convert to fraction form
    500,500.42/750,825.80 = 145,468.31/x
  3. Step 3: Cross multiply
    500,500.42x = 750,825.80 × 145,468.31
  4. Step 4: Simplify right side
    500,500.42x = 109,221,357,112.69
  5. Step 5: Solve for x
    x = 109,221,357,112.69/500,500.42
  6. Step 6: Final answer
    x = 218,224.31

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1.5x scale

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.