Home / 389,376.32-584,069.12-152,830.40

Finding the Fourth Proportional to 389,376.32, 584,069.12 and 152,830.40

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Solution

The fourth proportional to 389,376.32, 584,069.12 and 152,830.40 is: 229,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,376.32 : 584,069.12 = 152,830.40 : x
  2. Step 2: Convert to fraction form
    389,376.32/584,069.12 = 152,830.40/x
  3. Step 3: Cross multiply
    389,376.32x = 584,069.12 × 152,830.40
  4. Step 4: Simplify right side
    389,376.32x = 89,263,517,237.25
  5. Step 5: Solve for x
    x = 89,263,517,237.25/389,376.32
  6. Step 6: Final answer
    x = 229,247.42

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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.