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Finding the Fourth Proportional to 435,667.32, 601,287.66 and 266,000.76

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Solution

The fourth proportional to 435,667.32, 601,287.66 and 266,000.76 is: 367,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,667.32 : 601,287.66 = 266,000.76 : x
  2. Step 2: Convert to fraction form
    435,667.32/601,287.66 = 266,000.76/x
  3. Step 3: Cross multiply
    435,667.32x = 601,287.66 × 266,000.76
  4. Step 4: Simplify right side
    435,667.32x = 159,942,974,538.62
  5. Step 5: Solve for x
    x = 159,942,974,538.62/435,667.32
  6. Step 6: Final answer
    x = 367,121.81

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1.5x scale

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.