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Finding the Fourth Proportional to 322,275.96, 483,577.74 and 144,746.76

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Solution

The fourth proportional to 322,275.96, 483,577.74 and 144,746.76 is: 217,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,275.96 : 483,577.74 = 144,746.76 : x
  2. Step 2: Convert to fraction form
    322,275.96/483,577.74 = 144,746.76/x
  3. Step 3: Cross multiply
    322,275.96x = 483,577.74 × 144,746.76
  4. Step 4: Simplify right side
    322,275.96x = 69,996,311,073.12
  5. Step 5: Solve for x
    x = 69,996,311,073.12/322,275.96
  6. Step 6: Final answer
    x = 217,193.71

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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.