Home / 456,276.30-684,186.03-140,692.20

Finding the Fourth Proportional to 456,276.30, 684,186.03 and 140,692.20

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Solution

The fourth proportional to 456,276.30, 684,186.03 and 140,692.20 is: 210,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,276.30 : 684,186.03 = 140,692.20 : x
  2. Step 2: Convert to fraction form
    456,276.30/684,186.03 = 140,692.20/x
  3. Step 3: Cross multiply
    456,276.30x = 684,186.03 × 140,692.20
  4. Step 4: Simplify right side
    456,276.30x = 96,259,637,769.97
  5. Step 5: Solve for x
    x = 96,259,637,769.97/456,276.30
  6. Step 6: Final answer
    x = 210,967.87

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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.