Home / 518,066.38-777,143.30-144,089.38

Finding the Fourth Proportional to 518,066.38, 777,143.30 and 144,089.38

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Solution

The fourth proportional to 518,066.38, 777,143.30 and 144,089.38 is: 216,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,066.38 : 777,143.30 = 144,089.38 : x
  2. Step 2: Convert to fraction form
    518,066.38/777,143.30 = 144,089.38/x
  3. Step 3: Cross multiply
    518,066.38x = 777,143.30 × 144,089.38
  4. Step 4: Simplify right side
    518,066.38x = 111,978,096,268.15
  5. Step 5: Solve for x
    x = 111,978,096,268.15/518,066.38
  6. Step 6: Final answer
    x = 216,146.23

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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.