Home / 434,042.28-650,538.54-223,565.40

Finding the Fourth Proportional to 434,042.28, 650,538.54 and 223,565.40

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Solution

The fourth proportional to 434,042.28, 650,538.54 and 223,565.40 is: 335,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,042.28 : 650,538.54 = 223,565.40 : x
  2. Step 2: Convert to fraction form
    434,042.28/650,538.54 = 223,565.40/x
  3. Step 3: Cross multiply
    434,042.28x = 650,538.54 × 223,565.40
  4. Step 4: Simplify right side
    434,042.28x = 145,437,908,910.52
  5. Step 5: Solve for x
    x = 145,437,908,910.52/434,042.28
  6. Step 6: Final answer
    x = 335,077.75

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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.