Home / 493,206.09-680,624.35-266,851.59

Finding the Fourth Proportional to 493,206.09, 680,624.35 and 266,851.59

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Solution

The fourth proportional to 493,206.09, 680,624.35 and 266,851.59 is: 368,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,206.09 : 680,624.35 = 266,851.59 : x
  2. Step 2: Convert to fraction form
    493,206.09/680,624.35 = 266,851.59/x
  3. Step 3: Cross multiply
    493,206.09x = 680,624.35 × 266,851.59
  4. Step 4: Simplify right side
    493,206.09x = 181,625,689,990.22
  5. Step 5: Solve for x
    x = 181,625,689,990.22/493,206.09
  6. Step 6: Final answer
    x = 368,255.16

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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.