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Finding the Fourth Proportional to 370,010.19, 555,103.03 and 120,692.19

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Solution

The fourth proportional to 370,010.19, 555,103.03 and 120,692.19 is: 181,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,010.19 : 555,103.03 = 120,692.19 : x
  2. Step 2: Convert to fraction form
    370,010.19/555,103.03 = 120,692.19/x
  3. Step 3: Cross multiply
    370,010.19x = 555,103.03 × 120,692.19
  4. Step 4: Simplify right side
    370,010.19x = 66,996,600,366.34
  5. Step 5: Solve for x
    x = 66,996,600,366.34/370,010.19
  6. Step 6: Final answer
    x = 181,066.91

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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.