Home / 389,063.03-583,645.55-152,374.95

Finding the Fourth Proportional to 389,063.03, 583,645.55 and 152,374.95

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Solution

The fourth proportional to 389,063.03, 583,645.55 and 152,374.95 is: 228,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,063.03 : 583,645.55 = 152,374.95 : x
  2. Step 2: Convert to fraction form
    389,063.03/583,645.55 = 152,374.95/x
  3. Step 3: Cross multiply
    389,063.03x = 583,645.55 × 152,374.95
  4. Step 4: Simplify right side
    389,063.03x = 88,932,960,737.10
  5. Step 5: Solve for x
    x = 88,932,960,737.10/389,063.03
  6. Step 6: Final answer
    x = 228,582.40

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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.