Home / 320,589.79-442,426.94-177,347.37

Finding the Fourth Proportional to 320,589.79, 442,426.94 and 177,347.37

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Solution

The fourth proportional to 320,589.79, 442,426.94 and 177,347.37 is: 244,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,589.79 : 442,426.94 = 177,347.37 : x
  2. Step 2: Convert to fraction form
    320,589.79/442,426.94 = 177,347.37/x
  3. Step 3: Cross multiply
    320,589.79x = 442,426.94 × 177,347.37
  4. Step 4: Simplify right side
    320,589.79x = 78,463,251,127.28
  5. Step 5: Solve for x
    x = 78,463,251,127.28/320,589.79
  6. Step 6: Final answer
    x = 244,746.57

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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.