Home / 329,570.08-494,374.40-127,167.28

Finding the Fourth Proportional to 329,570.08, 494,374.40 and 127,167.28

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Solution

The fourth proportional to 329,570.08, 494,374.40 and 127,167.28 is: 190,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,570.08 : 494,374.40 = 127,167.28 : x
  2. Step 2: Convert to fraction form
    329,570.08/494,374.40 = 127,167.28/x
  3. Step 3: Cross multiply
    329,570.08x = 494,374.40 × 127,167.28
  4. Step 4: Simplify right side
    329,570.08x = 62,868,247,749.63
  5. Step 5: Solve for x
    x = 62,868,247,749.63/329,570.08
  6. Step 6: Final answer
    x = 190,758.36

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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.