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Finding the Fourth Proportional to 266,392.15, 367,646.49 and 145,551.58

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Solution

The fourth proportional to 266,392.15, 367,646.49 and 145,551.58 is: 200,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,392.15 : 367,646.49 = 145,551.58 : x
  2. Step 2: Convert to fraction form
    266,392.15/367,646.49 = 145,551.58/x
  3. Step 3: Cross multiply
    266,392.15x = 367,646.49 × 145,551.58
  4. Step 4: Simplify right side
    266,392.15x = 53,511,526,581.84
  5. Step 5: Solve for x
    x = 53,511,526,581.84/266,392.15
  6. Step 6: Final answer
    x = 200,875.01

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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.