Home / 311,566.20-429,961.52-168,326.16

Finding the Fourth Proportional to 311,566.20, 429,961.52 and 168,326.16

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Solution

The fourth proportional to 311,566.20, 429,961.52 and 168,326.16 is: 232,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,566.20 : 429,961.52 = 168,326.16 : x
  2. Step 2: Convert to fraction form
    311,566.20/429,961.52 = 168,326.16/x
  3. Step 3: Cross multiply
    311,566.20x = 429,961.52 × 168,326.16
  4. Step 4: Simplify right side
    311,566.20x = 72,373,771,609.36
  5. Step 5: Solve for x
    x = 72,373,771,609.36/311,566.20
  6. Step 6: Final answer
    x = 232,290.19

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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.