Home / 311,566.18-429,961.53-168,326.14

Finding the Fourth Proportional to 311,566.18, 429,961.53 and 168,326.14

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Solution

The fourth proportional to 311,566.18, 429,961.53 and 168,326.14 is: 232,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,566.18 : 429,961.53 = 168,326.14 : x
  2. Step 2: Convert to fraction form
    311,566.18/429,961.53 = 168,326.14/x
  3. Step 3: Cross multiply
    311,566.18x = 429,961.53 × 168,326.14
  4. Step 4: Simplify right side
    311,566.18x = 72,373,764,693.39
  5. Step 5: Solve for x
    x = 72,373,764,693.39/311,566.18
  6. Step 6: Final answer
    x = 232,290.18

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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.