Home / 154,278.64-231,368.32-49,072.96

Finding the Fourth Proportional to 154,278.64, 231,368.32 and 49,072.96

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Solution

The fourth proportional to 154,278.64, 231,368.32 and 49,072.96 is: 73,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,278.64 : 231,368.32 = 49,072.96 : x
  2. Step 2: Convert to fraction form
    154,278.64/231,368.32 = 49,072.96/x
  3. Step 3: Cross multiply
    154,278.64x = 231,368.32 × 49,072.96
  4. Step 4: Simplify right side
    154,278.64x = 11,353,928,312.63
  5. Step 5: Solve for x
    x = 11,353,928,312.63/154,278.64
  6. Step 6: Final answer
    x = 73,593.65

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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.