Home / 311,364.41-429,680.98-175,442.13

Finding the Fourth Proportional to 311,364.41, 429,680.98 and 175,442.13

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Solution

The fourth proportional to 311,364.41, 429,680.98 and 175,442.13 is: 242,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,364.41 : 429,680.98 = 175,442.13 : x
  2. Step 2: Convert to fraction form
    311,364.41/429,680.98 = 175,442.13/x
  3. Step 3: Cross multiply
    311,364.41x = 429,680.98 × 175,442.13
  4. Step 4: Simplify right side
    311,364.41x = 75,384,144,869.08
  5. Step 5: Solve for x
    x = 75,384,144,869.08/311,364.41
  6. Step 6: Final answer
    x = 242,109.06

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1.5x scale

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.