Home / 206,009.28-284,321.61-148,833.63

Finding the Fourth Proportional to 206,009.28, 284,321.61 and 148,833.63

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Solution

The fourth proportional to 206,009.28, 284,321.61 and 148,833.63 is: 205,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,009.28 : 284,321.61 = 148,833.63 : x
  2. Step 2: Convert to fraction form
    206,009.28/284,321.61 = 148,833.63/x
  3. Step 3: Cross multiply
    206,009.28x = 284,321.61 × 148,833.63
  4. Step 4: Simplify right side
    206,009.28x = 42,316,617,303.74
  5. Step 5: Solve for x
    x = 42,316,617,303.74/206,009.28
  6. Step 6: Final answer
    x = 205,411.22

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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.