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Finding the Fourth Proportional to 619,862.95, 929,433.16 and 240,340.31

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Solution

The fourth proportional to 619,862.95, 929,433.16 and 240,340.31 is: 360,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,862.95 : 929,433.16 = 240,340.31 : x
  2. Step 2: Convert to fraction form
    619,862.95/929,433.16 = 240,340.31/x
  3. Step 3: Cross multiply
    619,862.95x = 929,433.16 × 240,340.31
  4. Step 4: Simplify right side
    619,862.95x = 223,380,252,937.31
  5. Step 5: Solve for x
    x = 223,380,252,937.31/619,862.95
  6. Step 6: Final answer
    x = 360,370.39

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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.