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Finding the Fourth Proportional to 303,330.83, 454,932.45 and 153,430.20

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Solution

The fourth proportional to 303,330.83, 454,932.45 and 153,430.20 is: 230,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,330.83 : 454,932.45 = 153,430.20 : x
  2. Step 2: Convert to fraction form
    303,330.83/454,932.45 = 153,430.20/x
  3. Step 3: Cross multiply
    303,330.83x = 454,932.45 × 153,430.20
  4. Step 4: Simplify right side
    303,330.83x = 69,800,376,789.99
  5. Step 5: Solve for x
    x = 69,800,376,789.99/303,330.83
  6. Step 6: Final answer
    x = 230,113.04

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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.