Home / 318,974.98-440,186.54-175,734.67

Finding the Fourth Proportional to 318,974.98, 440,186.54 and 175,734.67

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Solution

The fourth proportional to 318,974.98, 440,186.54 and 175,734.67 is: 242,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,974.98 : 440,186.54 = 175,734.67 : x
  2. Step 2: Convert to fraction form
    318,974.98/440,186.54 = 175,734.67/x
  3. Step 3: Cross multiply
    318,974.98x = 440,186.54 × 175,734.67
  4. Step 4: Simplify right side
    318,974.98x = 77,356,034,366.20
  5. Step 5: Solve for x
    x = 77,356,034,366.20/318,974.98
  6. Step 6: Final answer
    x = 242,514.43

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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.