Home / 384,539.85-576,811.20-118,298.52

Finding the Fourth Proportional to 384,539.85, 576,811.20 and 118,298.52

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Solution

The fourth proportional to 384,539.85, 576,811.20 and 118,298.52 is: 177,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,539.85 : 576,811.20 = 118,298.52 : x
  2. Step 2: Convert to fraction form
    384,539.85/576,811.20 = 118,298.52/x
  3. Step 3: Cross multiply
    384,539.85x = 576,811.20 × 118,298.52
  4. Step 4: Simplify right side
    384,539.85x = 68,235,911,279.42
  5. Step 5: Solve for x
    x = 68,235,911,279.42/384,539.85
  6. Step 6: Final answer
    x = 177,448.22

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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.