Home / 266,051.36-366,851.76-217,503.20

Finding the Fourth Proportional to 266,051.36, 366,851.76 and 217,503.20

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Solution

The fourth proportional to 266,051.36, 366,851.76 and 217,503.20 is: 299,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,051.36 : 366,851.76 = 217,503.20 : x
  2. Step 2: Convert to fraction form
    266,051.36/366,851.76 = 217,503.20/x
  3. Step 3: Cross multiply
    266,051.36x = 366,851.76 × 217,503.20
  4. Step 4: Simplify right side
    266,051.36x = 79,791,431,725.63
  5. Step 5: Solve for x
    x = 79,791,431,725.63/266,051.36
  6. Step 6: Final answer
    x = 299,909.88

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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.