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Finding the Fourth Proportional to 256,802.88, 354,527.28 and 154,846.56

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Solution

The fourth proportional to 256,802.88, 354,527.28 and 154,846.56 is: 213,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,802.88 : 354,527.28 = 154,846.56 : x
  2. Step 2: Convert to fraction form
    256,802.88/354,527.28 = 154,846.56/x
  3. Step 3: Cross multiply
    256,802.88x = 354,527.28 × 154,846.56
  4. Step 4: Simplify right side
    256,802.88x = 54,897,329,734.16
  5. Step 5: Solve for x
    x = 54,897,329,734.16/256,802.88
  6. Step 6: Final answer
    x = 213,772.25

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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.