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Finding the Fourth Proportional to 266,041.71, 367,148.57 and 151,340.56

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Solution

The fourth proportional to 266,041.71, 367,148.57 and 151,340.56 is: 208,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,041.71 : 367,148.57 = 151,340.56 : x
  2. Step 2: Convert to fraction form
    266,041.71/367,148.57 = 151,340.56/x
  3. Step 3: Cross multiply
    266,041.71x = 367,148.57 × 151,340.56
  4. Step 4: Simplify right side
    266,041.71x = 55,564,470,187.00
  5. Step 5: Solve for x
    x = 55,564,470,187.00/266,041.71
  6. Step 6: Final answer
    x = 208,856.24

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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.