Home / 242,698.17-363,761.32-109,422.39

Finding the Fourth Proportional to 242,698.17, 363,761.32 and 109,422.39

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Solution

The fourth proportional to 242,698.17, 363,761.32 and 109,422.39 is: 164,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,698.17 : 363,761.32 = 109,422.39 : x
  2. Step 2: Convert to fraction form
    242,698.17/363,761.32 = 109,422.39/x
  3. Step 3: Cross multiply
    242,698.17x = 363,761.32 × 109,422.39
  4. Step 4: Simplify right side
    242,698.17x = 39,803,633,023.95
  5. Step 5: Solve for x
    x = 39,803,633,023.95/242,698.17
  6. Step 6: Final answer
    x = 164,004.67

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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.