Home / 308,063.96-425,113.04-172,070.84

Finding the Fourth Proportional to 308,063.96, 425,113.04 and 172,070.84

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Solution

The fourth proportional to 308,063.96, 425,113.04 and 172,070.84 is: 237,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,063.96 : 425,113.04 = 172,070.84 : x
  2. Step 2: Convert to fraction form
    308,063.96/425,113.04 = 172,070.84/x
  3. Step 3: Cross multiply
    308,063.96x = 425,113.04 × 172,070.84
  4. Step 4: Simplify right side
    308,063.96x = 73,149,557,887.75
  5. Step 5: Solve for x
    x = 73,149,557,887.75/308,063.96
  6. Step 6: Final answer
    x = 237,449.26

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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.