Home / 491,919.30-738,008.55-176,343.30

Finding the Fourth Proportional to 491,919.30, 738,008.55 and 176,343.30

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Solution

The fourth proportional to 491,919.30, 738,008.55 and 176,343.30 is: 264,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,919.30 : 738,008.55 = 176,343.30 : x
  2. Step 2: Convert to fraction form
    491,919.30/738,008.55 = 176,343.30/x
  3. Step 3: Cross multiply
    491,919.30x = 738,008.55 × 176,343.30
  4. Step 4: Simplify right side
    491,919.30x = 130,142,863,135.22
  5. Step 5: Solve for x
    x = 130,142,863,135.22/491,919.30
  6. Step 6: Final answer
    x = 264,561.41

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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.