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Finding the Fourth Proportional to 303,510.20, 418,844.07 and 169,374.20

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Solution

The fourth proportional to 303,510.20, 418,844.07 and 169,374.20 is: 233,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,510.20 : 418,844.07 = 169,374.20 : x
  2. Step 2: Convert to fraction form
    303,510.20/418,844.07 = 169,374.20/x
  3. Step 3: Cross multiply
    303,510.20x = 418,844.07 × 169,374.20
  4. Step 4: Simplify right side
    303,510.20x = 70,941,377,186.77
  5. Step 5: Solve for x
    x = 70,941,377,186.77/303,510.20
  6. Step 6: Final answer
    x = 233,736.39

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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.