Home / 284,541.03-392,674.53-157,224.81

Finding the Fourth Proportional to 284,541.03, 392,674.53 and 157,224.81

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Solution

The fourth proportional to 284,541.03, 392,674.53 and 157,224.81 is: 216,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,541.03 : 392,674.53 = 157,224.81 : x
  2. Step 2: Convert to fraction form
    284,541.03/392,674.53 = 157,224.81/x
  3. Step 3: Cross multiply
    284,541.03x = 392,674.53 × 157,224.81
  4. Step 4: Simplify right side
    284,541.03x = 61,738,178,371.09
  5. Step 5: Solve for x
    x = 61,738,178,371.09/284,541.03
  6. Step 6: Final answer
    x = 216,974.61

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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.