Home / 284,275.88-392,145.45-198,098.36

Finding the Fourth Proportional to 284,275.88, 392,145.45 and 198,098.36

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Solution

The fourth proportional to 284,275.88, 392,145.45 and 198,098.36 is: 273,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,275.88 : 392,145.45 = 198,098.36 : x
  2. Step 2: Convert to fraction form
    284,275.88/392,145.45 = 198,098.36/x
  3. Step 3: Cross multiply
    284,275.88x = 392,145.45 × 198,098.36
  4. Step 4: Simplify right side
    284,275.88x = 77,683,370,526.46
  5. Step 5: Solve for x
    x = 77,683,370,526.46/284,275.88
  6. Step 6: Final answer
    x = 273,267.54

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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.