Home / 303,056.47-418,397.34-269,429.59

Finding the Fourth Proportional to 303,056.47, 418,397.34 and 269,429.59

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Solution

The fourth proportional to 303,056.47, 418,397.34 and 269,429.59 is: 371,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,056.47 : 418,397.34 = 269,429.59 : x
  2. Step 2: Convert to fraction form
    303,056.47/418,397.34 = 269,429.59/x
  3. Step 3: Cross multiply
    303,056.47x = 418,397.34 × 269,429.59
  4. Step 4: Simplify right side
    303,056.47x = 112,728,623,773.29
  5. Step 5: Solve for x
    x = 112,728,623,773.29/303,056.47
  6. Step 6: Final answer
    x = 371,972.34

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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.