Home / 284,570.20-392,703.42-157,243.06

Finding the Fourth Proportional to 284,570.20, 392,703.42 and 157,243.06

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Solution

The fourth proportional to 284,570.20, 392,703.42 and 157,243.06 is: 216,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,570.20 : 392,703.42 = 157,243.06 : x
  2. Step 2: Convert to fraction form
    284,570.20/392,703.42 = 157,243.06/x
  3. Step 3: Cross multiply
    284,570.20x = 392,703.42 × 157,243.06
  4. Step 4: Simplify right side
    284,570.20x = 61,749,887,433.27
  5. Step 5: Solve for x
    x = 61,749,887,433.27/284,570.20
  6. Step 6: Final answer
    x = 216,993.51

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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.