Home / 268,937.42-371,102.82-154,184.50

Finding the Fourth Proportional to 268,937.42, 371,102.82 and 154,184.50

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Solution

The fourth proportional to 268,937.42, 371,102.82 and 154,184.50 is: 212,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,937.42 : 371,102.82 = 154,184.50 : x
  2. Step 2: Convert to fraction form
    268,937.42/371,102.82 = 154,184.50/x
  3. Step 3: Cross multiply
    268,937.42x = 371,102.82 × 154,184.50
  4. Step 4: Simplify right side
    268,937.42x = 57,218,302,750.29
  5. Step 5: Solve for x
    x = 57,218,302,750.29/268,937.42
  6. Step 6: Final answer
    x = 212,756.94

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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.