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Finding the Fourth Proportional to 370,009.69, 555,102.28 and 120,691.69

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Solution

The fourth proportional to 370,009.69, 555,102.28 and 120,691.69 is: 181,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,009.69 : 555,102.28 = 120,691.69 : x
  2. Step 2: Convert to fraction form
    370,009.69/555,102.28 = 120,691.69/x
  3. Step 3: Cross multiply
    370,009.69x = 555,102.28 × 120,691.69
  4. Step 4: Simplify right side
    370,009.69x = 66,996,231,059.16
  5. Step 5: Solve for x
    x = 66,996,231,059.16/370,009.69
  6. Step 6: Final answer
    x = 181,066.15

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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.