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Finding the Fourth Proportional to 225,347.37, 310,983.05 and 123,371.13

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Solution

The fourth proportional to 225,347.37, 310,983.05 and 123,371.13 is: 170,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,347.37 : 310,983.05 = 123,371.13 : x
  2. Step 2: Convert to fraction form
    225,347.37/310,983.05 = 123,371.13/x
  3. Step 3: Cross multiply
    225,347.37x = 310,983.05 × 123,371.13
  4. Step 4: Simplify right side
    225,347.37x = 38,366,328,446.08
  5. Step 5: Solve for x
    x = 38,366,328,446.08/225,347.37
  6. Step 6: Final answer
    x = 170,254.17

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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.