Home / 389,188.80-583,724.88-152,694.72

Finding the Fourth Proportional to 389,188.80, 583,724.88 and 152,694.72

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Solution

The fourth proportional to 389,188.80, 583,724.88 and 152,694.72 is: 229,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,188.80 : 583,724.88 = 152,694.72 : x
  2. Step 2: Convert to fraction form
    389,188.80/583,724.88 = 152,694.72/x
  3. Step 3: Cross multiply
    389,188.80x = 583,724.88 × 152,694.72
  4. Step 4: Simplify right side
    389,188.80x = 89,131,707,108.63
  5. Step 5: Solve for x
    x = 89,131,707,108.63/389,188.80
  6. Step 6: Final answer
    x = 229,019.20

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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.