Home / 291,918.13-402,847.10-164,593.74

Finding the Fourth Proportional to 291,918.13, 402,847.10 and 164,593.74

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Solution

The fourth proportional to 291,918.13, 402,847.10 and 164,593.74 is: 227,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,918.13 : 402,847.10 = 164,593.74 : x
  2. Step 2: Convert to fraction form
    291,918.13/402,847.10 = 164,593.74/x
  3. Step 3: Cross multiply
    291,918.13x = 402,847.10 × 164,593.74
  4. Step 4: Simplify right side
    291,918.13x = 66,306,110,837.15
  5. Step 5: Solve for x
    x = 66,306,110,837.15/291,918.13
  6. Step 6: Final answer
    x = 227,139.41

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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.