Home / 362,140.59-499,815.86-209,151.28

Finding the Fourth Proportional to 362,140.59, 499,815.86 and 209,151.28

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Solution

The fourth proportional to 362,140.59, 499,815.86 and 209,151.28 is: 288,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,140.59 : 499,815.86 = 209,151.28 : x
  2. Step 2: Convert to fraction form
    362,140.59/499,815.86 = 209,151.28/x
  3. Step 3: Cross multiply
    362,140.59x = 499,815.86 × 209,151.28
  4. Step 4: Simplify right side
    362,140.59x = 104,537,126,883.30
  5. Step 5: Solve for x
    x = 104,537,126,883.30/362,140.59
  6. Step 6: Final answer
    x = 288,664.48

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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.