Home / 266,051.86-366,852.45-217,503.70

Finding the Fourth Proportional to 266,051.86, 366,852.45 and 217,503.70

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Solution

The fourth proportional to 266,051.86, 366,852.45 and 217,503.70 is: 299,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,051.86 : 366,852.45 = 217,503.70 : x
  2. Step 2: Convert to fraction form
    266,051.86/366,852.45 = 217,503.70/x
  3. Step 3: Cross multiply
    266,051.86x = 366,852.45 × 217,503.70
  4. Step 4: Simplify right side
    266,051.86x = 79,791,765,229.07
  5. Step 5: Solve for x
    x = 79,791,765,229.07/266,051.86
  6. Step 6: Final answer
    x = 299,910.57

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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.