Home / 291,273.90-402,082.14-195,836.22

Finding the Fourth Proportional to 291,273.90, 402,082.14 and 195,836.22

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Solution

The fourth proportional to 291,273.90, 402,082.14 and 195,836.22 is: 270,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,273.90 : 402,082.14 = 195,836.22 : x
  2. Step 2: Convert to fraction form
    291,273.90/402,082.14 = 195,836.22/x
  3. Step 3: Cross multiply
    291,273.90x = 402,082.14 × 195,836.22
  4. Step 4: Simplify right side
    291,273.90x = 78,742,246,427.11
  5. Step 5: Solve for x
    x = 78,742,246,427.11/291,273.90
  6. Step 6: Final answer
    x = 270,337.46

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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.