Home / 231,025.36-345,959.70-146,529.40

Finding the Fourth Proportional to 231,025.36, 345,959.70 and 146,529.40

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Solution

The fourth proportional to 231,025.36, 345,959.70 and 146,529.40 is: 219,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,025.36 : 345,959.70 = 146,529.40 : x
  2. Step 2: Convert to fraction form
    231,025.36/345,959.70 = 146,529.40/x
  3. Step 3: Cross multiply
    231,025.36x = 345,959.70 × 146,529.40
  4. Step 4: Simplify right side
    231,025.36x = 50,693,267,265.18
  5. Step 5: Solve for x
    x = 50,693,267,265.18/231,025.36
  6. Step 6: Final answer
    x = 219,427.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.