Home / 284,581.31-392,727.83-155,527.77

Finding the Fourth Proportional to 284,581.31, 392,727.83 and 155,527.77

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Solution

The fourth proportional to 284,581.31, 392,727.83 and 155,527.77 is: 214,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,581.31 : 392,727.83 = 155,527.77 : x
  2. Step 2: Convert to fraction form
    284,581.31/392,727.83 = 155,527.77/x
  3. Step 3: Cross multiply
    284,581.31x = 392,727.83 × 155,527.77
  4. Step 4: Simplify right side
    284,581.31x = 61,080,084,005.66
  5. Step 5: Solve for x
    x = 61,080,084,005.66/284,581.31
  6. Step 6: Final answer
    x = 214,631.40

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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.