Home / 389,084.80-583,195.20-152,348.80

Finding the Fourth Proportional to 389,084.80, 583,195.20 and 152,348.80

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Solution

The fourth proportional to 389,084.80, 583,195.20 and 152,348.80 is: 228,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,084.80 : 583,195.20 = 152,348.80 : x
  2. Step 2: Convert to fraction form
    389,084.80/583,195.20 = 152,348.80/x
  3. Step 3: Cross multiply
    389,084.80x = 583,195.20 × 152,348.80
  4. Step 4: Simplify right side
    389,084.80x = 88,849,088,885.76
  5. Step 5: Solve for x
    x = 88,849,088,885.76/389,084.80
  6. Step 6: Final answer
    x = 228,354.05

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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.