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Finding the Fourth Proportional to 266,883.42, 400,325.82 and 98,330.71

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Solution

The fourth proportional to 266,883.42, 400,325.82 and 98,330.71 is: 147,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,883.42 : 400,325.82 = 98,330.71 : x
  2. Step 2: Convert to fraction form
    266,883.42/400,325.82 = 98,330.71/x
  3. Step 3: Cross multiply
    266,883.42x = 400,325.82 × 98,330.71
  4. Step 4: Simplify right side
    266,883.42x = 39,364,322,111.93
  5. Step 5: Solve for x
    x = 39,364,322,111.93/266,883.42
  6. Step 6: Final answer
    x = 147,496.32

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1.5x scale

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.