Home / 347,947.94-480,160.32-202,744.74

Finding the Fourth Proportional to 347,947.94, 480,160.32 and 202,744.74

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Solution

The fourth proportional to 347,947.94, 480,160.32 and 202,744.74 is: 279,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,947.94 : 480,160.32 = 202,744.74 : x
  2. Step 2: Convert to fraction form
    347,947.94/480,160.32 = 202,744.74/x
  3. Step 3: Cross multiply
    347,947.94x = 480,160.32 × 202,744.74
  4. Step 4: Simplify right side
    347,947.94x = 97,349,979,236.72
  5. Step 5: Solve for x
    x = 97,349,979,236.72/347,947.94
  6. Step 6: Final answer
    x = 279,783.17

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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.