Home / 308,072.32-425,135.08-172,108.24

Finding the Fourth Proportional to 308,072.32, 425,135.08 and 172,108.24

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Solution

The fourth proportional to 308,072.32, 425,135.08 and 172,108.24 is: 237,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,072.32 : 425,135.08 = 172,108.24 : x
  2. Step 2: Convert to fraction form
    308,072.32/425,135.08 = 172,108.24/x
  3. Step 3: Cross multiply
    308,072.32x = 425,135.08 × 172,108.24
  4. Step 4: Simplify right side
    308,072.32x = 73,169,250,381.06
  5. Step 5: Solve for x
    x = 73,169,250,381.06/308,072.32
  6. Step 6: Final answer
    x = 237,506.73

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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.