Home / 362,140.13-499,815.22-209,150.82

Finding the Fourth Proportional to 362,140.13, 499,815.22 and 209,150.82

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Solution

The fourth proportional to 362,140.13, 499,815.22 and 209,150.82 is: 288,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,140.13 : 499,815.22 = 209,150.82 : x
  2. Step 2: Convert to fraction form
    362,140.13/499,815.22 = 209,150.82/x
  3. Step 3: Cross multiply
    362,140.13x = 499,815.22 × 209,150.82
  4. Step 4: Simplify right side
    362,140.13x = 104,536,763,111.48
  5. Step 5: Solve for x
    x = 104,536,763,111.48/362,140.13
  6. Step 6: Final answer
    x = 288,663.85

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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.