Home / 442,492.82-663,743.08-142,973.44

Finding the Fourth Proportional to 442,492.82, 663,743.08 and 142,973.44

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Solution

The fourth proportional to 442,492.82, 663,743.08 and 142,973.44 is: 214,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,492.82 : 663,743.08 = 142,973.44 : x
  2. Step 2: Convert to fraction form
    442,492.82/663,743.08 = 142,973.44/x
  3. Step 3: Cross multiply
    442,492.82x = 663,743.08 × 142,973.44
  4. Step 4: Simplify right side
    442,492.82x = 94,897,629,138.93
  5. Step 5: Solve for x
    x = 94,897,629,138.93/442,492.82
  6. Step 6: Final answer
    x = 214,461.40

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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.