Home / 266,211.68-367,381.35-151,507.62

Finding the Fourth Proportional to 266,211.68, 367,381.35 and 151,507.62

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Solution

The fourth proportional to 266,211.68, 367,381.35 and 151,507.62 is: 209,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,211.68 : 367,381.35 = 151,507.62 : x
  2. Step 2: Convert to fraction form
    266,211.68/367,381.35 = 151,507.62/x
  3. Step 3: Cross multiply
    266,211.68x = 367,381.35 × 151,507.62
  4. Step 4: Simplify right side
    266,211.68x = 55,661,073,970.89
  5. Step 5: Solve for x
    x = 55,661,073,970.89/266,211.68
  6. Step 6: Final answer
    x = 209,085.77

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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.