Home / 316,976.47-437,426.62-173,736.07

Finding the Fourth Proportional to 316,976.47, 437,426.62 and 173,736.07

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Solution

The fourth proportional to 316,976.47, 437,426.62 and 173,736.07 is: 239,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,976.47 : 437,426.62 = 173,736.07 : x
  2. Step 2: Convert to fraction form
    316,976.47/437,426.62 = 173,736.07/x
  3. Step 3: Cross multiply
    316,976.47x = 437,426.62 × 173,736.07
  4. Step 4: Simplify right side
    316,976.47x = 75,996,782,961.89
  5. Step 5: Solve for x
    x = 75,996,782,961.89/316,976.47
  6. Step 6: Final answer
    x = 239,755.28

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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.