Home / 288,824.13-398,698.61-175,686.21

Finding the Fourth Proportional to 288,824.13, 398,698.61 and 175,686.21

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Solution

The fourth proportional to 288,824.13, 398,698.61 and 175,686.21 is: 242,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,824.13 : 398,698.61 = 175,686.21 : x
  2. Step 2: Convert to fraction form
    288,824.13/398,698.61 = 175,686.21/x
  3. Step 3: Cross multiply
    288,824.13x = 398,698.61 × 175,686.21
  4. Step 4: Simplify right side
    288,824.13x = 70,045,846,844.74
  5. Step 5: Solve for x
    x = 70,045,846,844.74/288,824.13
  6. Step 6: Final answer
    x = 242,520.76

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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.