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Finding the Fourth Proportional to 228,350.08, 315,131.88 and 127,748.08

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Solution

The fourth proportional to 228,350.08, 315,131.88 and 127,748.08 is: 176,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,350.08 : 315,131.88 = 127,748.08 : x
  2. Step 2: Convert to fraction form
    228,350.08/315,131.88 = 127,748.08/x
  3. Step 3: Cross multiply
    228,350.08x = 315,131.88 × 127,748.08
  4. Step 4: Simplify right side
    228,350.08x = 40,257,492,616.79
  5. Step 5: Solve for x
    x = 40,257,492,616.79/228,350.08
  6. Step 6: Final answer
    x = 176,297.26

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1.5x scale

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.