Home / 288,830.17-432,982.82-130,972.51

Finding the Fourth Proportional to 288,830.17, 432,982.82 and 130,972.51

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Solution

The fourth proportional to 288,830.17, 432,982.82 and 130,972.51 is: 196,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,830.17 : 432,982.82 = 130,972.51 : x
  2. Step 2: Convert to fraction form
    288,830.17/432,982.82 = 130,972.51/x
  3. Step 3: Cross multiply
    288,830.17x = 432,982.82 × 130,972.51
  4. Step 4: Simplify right side
    288,830.17x = 56,708,846,854.22
  5. Step 5: Solve for x
    x = 56,708,846,854.22/288,830.17
  6. Step 6: Final answer
    x = 196,339.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.