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Finding the Fourth Proportional to 157,436.40, 236,154.60 and 150,875.40

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Solution

The fourth proportional to 157,436.40, 236,154.60 and 150,875.40 is: 226,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,436.40 : 236,154.60 = 150,875.40 : x
  2. Step 2: Convert to fraction form
    157,436.40/236,154.60 = 150,875.40/x
  3. Step 3: Cross multiply
    157,436.40x = 236,154.60 × 150,875.40
  4. Step 4: Simplify right side
    157,436.40x = 35,629,919,736.84
  5. Step 5: Solve for x
    x = 35,629,919,736.84/157,436.40
  6. Step 6: Final answer
    x = 226,313.10

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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.