Home / 549,414.28-824,123.58-194,428.36

Finding the Fourth Proportional to 549,414.28, 824,123.58 and 194,428.36

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Solution

The fourth proportional to 549,414.28, 824,123.58 and 194,428.36 is: 291,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,414.28 : 824,123.58 = 194,428.36 : x
  2. Step 2: Convert to fraction form
    549,414.28/824,123.58 = 194,428.36/x
  3. Step 3: Cross multiply
    549,414.28x = 824,123.58 × 194,428.36
  4. Step 4: Simplify right side
    549,414.28x = 160,232,996,096.73
  5. Step 5: Solve for x
    x = 160,232,996,096.73/549,414.28
  6. Step 6: Final answer
    x = 291,643.30

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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.