Home / 274,492.17-378,799.13-153,633.45

Finding the Fourth Proportional to 274,492.17, 378,799.13 and 153,633.45

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Solution

The fourth proportional to 274,492.17, 378,799.13 and 153,633.45 is: 212,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,492.17 : 378,799.13 = 153,633.45 : x
  2. Step 2: Convert to fraction form
    274,492.17/378,799.13 = 153,633.45/x
  3. Step 3: Cross multiply
    274,492.17x = 378,799.13 × 153,633.45
  4. Step 4: Simplify right side
    274,492.17x = 58,196,217,582.98
  5. Step 5: Solve for x
    x = 58,196,217,582.98/274,492.17
  6. Step 6: Final answer
    x = 212,014.13

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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.