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Finding the Fourth Proportional to 266,885.95, 400,329.19 and 109,114.41

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Solution

The fourth proportional to 266,885.95, 400,329.19 and 109,114.41 is: 163,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,885.95 : 400,329.19 = 109,114.41 : x
  2. Step 2: Convert to fraction form
    266,885.95/400,329.19 = 109,114.41/x
  3. Step 3: Cross multiply
    266,885.95x = 400,329.19 × 109,114.41
  4. Step 4: Simplify right side
    266,885.95x = 43,681,683,372.63
  5. Step 5: Solve for x
    x = 43,681,683,372.63/266,885.95
  6. Step 6: Final answer
    x = 163,671.72

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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.