Home / 284,581.18-392,727.66-155,527.65

Finding the Fourth Proportional to 284,581.18, 392,727.66 and 155,527.65

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Solution

The fourth proportional to 284,581.18, 392,727.66 and 155,527.65 is: 214,631.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,581.18 : 392,727.66 = 155,527.65 : x
  2. Step 2: Convert to fraction form
    284,581.18/392,727.66 = 155,527.65/x
  3. Step 3: Cross multiply
    284,581.18x = 392,727.66 × 155,527.65
  4. Step 4: Simplify right side
    284,581.18x = 61,080,008,086.16
  5. Step 5: Solve for x
    x = 61,080,008,086.16/284,581.18
  6. Step 6: Final answer
    x = 214,631.23

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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.