Home / 240,258.56-331,501.70-143,443.55

Finding the Fourth Proportional to 240,258.56, 331,501.70 and 143,443.55

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Solution

The fourth proportional to 240,258.56, 331,501.70 and 143,443.55 is: 197,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,258.56 : 331,501.70 = 143,443.55 : x
  2. Step 2: Convert to fraction form
    240,258.56/331,501.70 = 143,443.55/x
  3. Step 3: Cross multiply
    240,258.56x = 331,501.70 × 143,443.55
  4. Step 4: Simplify right side
    240,258.56x = 47,551,781,866.40
  5. Step 5: Solve for x
    x = 47,551,781,866.40/240,258.56
  6. Step 6: Final answer
    x = 197,919.20

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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.