Home / 442,076.63-663,244.32-142,551.18

Finding the Fourth Proportional to 442,076.63, 663,244.32 and 142,551.18

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Solution

The fourth proportional to 442,076.63, 663,244.32 and 142,551.18 is: 213,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,076.63 : 663,244.32 = 142,551.18 : x
  2. Step 2: Convert to fraction form
    442,076.63/663,244.32 = 142,551.18/x
  3. Step 3: Cross multiply
    442,076.63x = 663,244.32 × 142,551.18
  4. Step 4: Simplify right side
    442,076.63x = 94,546,260,444.30
  5. Step 5: Solve for x
    x = 94,546,260,444.30/442,076.63
  6. Step 6: Final answer
    x = 213,868.49

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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.