Home / 235,440.20-353,152.40-102,320.43

Finding the Fourth Proportional to 235,440.20, 353,152.40 and 102,320.43

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Solution

The fourth proportional to 235,440.20, 353,152.40 and 102,320.43 is: 153,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,440.20 : 353,152.40 = 102,320.43 : x
  2. Step 2: Convert to fraction form
    235,440.20/353,152.40 = 102,320.43/x
  3. Step 3: Cross multiply
    235,440.20x = 353,152.40 × 102,320.43
  4. Step 4: Simplify right side
    235,440.20x = 36,134,704,911.93
  5. Step 5: Solve for x
    x = 36,134,704,911.93/235,440.20
  6. Step 6: Final answer
    x = 153,477.21

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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.