Home / 373,938.85-516,282.42-230,909.05

Finding the Fourth Proportional to 373,938.85, 516,282.42 and 230,909.05

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Solution

The fourth proportional to 373,938.85, 516,282.42 and 230,909.05 is: 318,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,938.85 : 516,282.42 = 230,909.05 : x
  2. Step 2: Convert to fraction form
    373,938.85/516,282.42 = 230,909.05/x
  3. Step 3: Cross multiply
    373,938.85x = 516,282.42 × 230,909.05
  4. Step 4: Simplify right side
    373,938.85x = 119,214,283,133.90
  5. Step 5: Solve for x
    x = 119,214,283,133.90/373,938.85
  6. Step 6: Final answer
    x = 318,806.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.