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Finding the Fourth Proportional to 266,482.23, 367,739.40 and 145,624.24

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Solution

The fourth proportional to 266,482.23, 367,739.40 and 145,624.24 is: 200,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,482.23 : 367,739.40 = 145,624.24 : x
  2. Step 2: Convert to fraction form
    266,482.23/367,739.40 = 145,624.24/x
  3. Step 3: Cross multiply
    266,482.23x = 367,739.40 × 145,624.24
  4. Step 4: Simplify right side
    266,482.23x = 53,551,770,269.80
  5. Step 5: Solve for x
    x = 53,551,770,269.80/266,482.23
  6. Step 6: Final answer
    x = 200,958.13

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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.