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Finding the Fourth Proportional to 185,085.71, 277,739.16 and 170,028.21

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Solution

The fourth proportional to 185,085.71, 277,739.16 and 170,028.21 is: 255,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,085.71 : 277,739.16 = 170,028.21 : x
  2. Step 2: Convert to fraction form
    185,085.71/277,739.16 = 170,028.21/x
  3. Step 3: Cross multiply
    185,085.71x = 277,739.16 × 170,028.21
  4. Step 4: Simplify right side
    185,085.71x = 47,223,492,221.70
  5. Step 5: Solve for x
    x = 47,223,492,221.70/185,085.71
  6. Step 6: Final answer
    x = 255,143.91

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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.