Home / 227,669.84-314,155.40-127,072.08

Finding the Fourth Proportional to 227,669.84, 314,155.40 and 127,072.08

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Solution

The fourth proportional to 227,669.84, 314,155.40 and 127,072.08 is: 175,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,669.84 : 314,155.40 = 127,072.08 : x
  2. Step 2: Convert to fraction form
    227,669.84/314,155.40 = 127,072.08/x
  3. Step 3: Cross multiply
    227,669.84x = 314,155.40 × 127,072.08
  4. Step 4: Simplify right side
    227,669.84x = 39,920,380,121.23
  5. Step 5: Solve for x
    x = 39,920,380,121.23/227,669.84
  6. Step 6: Final answer
    x = 175,343.30

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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.