Home / 261,606.28-361,005.78-148,435.24

Finding the Fourth Proportional to 261,606.28, 361,005.78 and 148,435.24

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Solution

The fourth proportional to 261,606.28, 361,005.78 and 148,435.24 is: 204,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,606.28 : 361,005.78 = 148,435.24 : x
  2. Step 2: Convert to fraction form
    261,606.28/361,005.78 = 148,435.24/x
  3. Step 3: Cross multiply
    261,606.28x = 361,005.78 × 148,435.24
  4. Step 4: Simplify right side
    261,606.28x = 53,585,979,595.69
  5. Step 5: Solve for x
    x = 53,585,979,595.69/261,606.28
  6. Step 6: Final answer
    x = 204,834.45

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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.