Home / 266,065.10-367,178.40-151,340.80

Finding the Fourth Proportional to 266,065.10, 367,178.40 and 151,340.80

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Solution

The fourth proportional to 266,065.10, 367,178.40 and 151,340.80 is: 208,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,065.10 : 367,178.40 = 151,340.80 : x
  2. Step 2: Convert to fraction form
    266,065.10/367,178.40 = 151,340.80/x
  3. Step 3: Cross multiply
    266,065.10x = 367,178.40 × 151,340.80
  4. Step 4: Simplify right side
    266,065.10x = 55,569,073,177.07
  5. Step 5: Solve for x
    x = 55,569,073,177.07/266,065.10
  6. Step 6: Final answer
    x = 208,855.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.