Home / 384,492.83-576,748.35-118,255.75

Finding the Fourth Proportional to 384,492.83, 576,748.35 and 118,255.75

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Solution

The fourth proportional to 384,492.83, 576,748.35 and 118,255.75 is: 177,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,492.83 : 576,748.35 = 118,255.75 : x
  2. Step 2: Convert to fraction form
    384,492.83/576,748.35 = 118,255.75/x
  3. Step 3: Cross multiply
    384,492.83x = 576,748.35 × 118,255.75
  4. Step 4: Simplify right side
    384,492.83x = 68,203,807,248.64
  5. Step 5: Solve for x
    x = 68,203,807,248.64/384,492.83
  6. Step 6: Final answer
    x = 177,386.42

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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.