Home / 389,100.30-583,218.45-152,364.30

Finding the Fourth Proportional to 389,100.30, 583,218.45 and 152,364.30

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Solution

The fourth proportional to 389,100.30, 583,218.45 and 152,364.30 is: 228,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,100.30 : 583,218.45 = 152,364.30 : x
  2. Step 2: Convert to fraction form
    389,100.30/583,218.45 = 152,364.30/x
  3. Step 3: Cross multiply
    389,100.30x = 583,218.45 × 152,364.30
  4. Step 4: Simplify right side
    389,100.30x = 88,861,670,881.34
  5. Step 5: Solve for x
    x = 88,861,670,881.34/389,100.30
  6. Step 6: Final answer
    x = 228,377.29

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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.