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Finding the Fourth Proportional to 225,341.82, 310,971.81 and 123,373.88

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Solution

The fourth proportional to 225,341.82, 310,971.81 and 123,373.88 is: 170,256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,341.82 : 310,971.81 = 123,373.88 : x
  2. Step 2: Convert to fraction form
    225,341.82/310,971.81 = 123,373.88/x
  3. Step 3: Cross multiply
    225,341.82x = 310,971.81 × 123,373.88
  4. Step 4: Simplify right side
    225,341.82x = 38,365,799,899.50
  5. Step 5: Solve for x
    x = 38,365,799,899.50/225,341.82
  6. Step 6: Final answer
    x = 170,256.01

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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.