Home / 389,376.82-584,069.87-152,830.90

Finding the Fourth Proportional to 389,376.82, 584,069.87 and 152,830.90

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Solution

The fourth proportional to 389,376.82, 584,069.87 and 152,830.90 is: 229,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,376.82 : 584,069.87 = 152,830.90 : x
  2. Step 2: Convert to fraction form
    389,376.82/584,069.87 = 152,830.90/x
  3. Step 3: Cross multiply
    389,376.82x = 584,069.87 × 152,830.90
  4. Step 4: Simplify right side
    389,376.82x = 89,263,923,894.98
  5. Step 5: Solve for x
    x = 89,263,923,894.98/389,376.82
  6. Step 6: Final answer
    x = 229,248.17

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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.