Home / 389,061.52-583,643.30-152,373.44

Finding the Fourth Proportional to 389,061.52, 583,643.30 and 152,373.44

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Solution

The fourth proportional to 389,061.52, 583,643.30 and 152,373.44 is: 228,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,061.52 : 583,643.30 = 152,373.44 : x
  2. Step 2: Convert to fraction form
    389,061.52/583,643.30 = 152,373.44/x
  3. Step 3: Cross multiply
    389,061.52x = 583,643.30 × 152,373.44
  4. Step 4: Simplify right side
    389,061.52x = 88,931,737,353.95
  5. Step 5: Solve for x
    x = 88,931,737,353.95/389,061.52
  6. Step 6: Final answer
    x = 228,580.14

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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.