Home / 474,428.20-711,643.02-119,442.28

Finding the Fourth Proportional to 474,428.20, 711,643.02 and 119,442.28

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Solution

The fourth proportional to 474,428.20, 711,643.02 and 119,442.28 is: 179,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,428.20 : 711,643.02 = 119,442.28 : x
  2. Step 2: Convert to fraction form
    474,428.20/711,643.02 = 119,442.28/x
  3. Step 3: Cross multiply
    474,428.20x = 711,643.02 × 119,442.28
  4. Step 4: Simplify right side
    474,428.20x = 85,000,264,854.89
  5. Step 5: Solve for x
    x = 85,000,264,854.89/474,428.20
  6. Step 6: Final answer
    x = 179,163.60

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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.