Home / 251,637.28-377,482.13-80,815.84

Finding the Fourth Proportional to 251,637.28, 377,482.13 and 80,815.84

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Solution

The fourth proportional to 251,637.28, 377,482.13 and 80,815.84 is: 121,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,637.28 : 377,482.13 = 80,815.84 : x
  2. Step 2: Convert to fraction form
    251,637.28/377,482.13 = 80,815.84/x
  3. Step 3: Cross multiply
    251,637.28x = 377,482.13 × 80,815.84
  4. Step 4: Simplify right side
    251,637.28x = 30,506,535,791.77
  5. Step 5: Solve for x
    x = 30,506,535,791.77/251,637.28
  6. Step 6: Final answer
    x = 121,232.18

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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.