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Finding the Fourth Proportional to 228,254.36, 315,034.26 and 152,933.72

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Solution

The fourth proportional to 228,254.36, 315,034.26 and 152,933.72 is: 211,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,254.36 : 315,034.26 = 152,933.72 : x
  2. Step 2: Convert to fraction form
    228,254.36/315,034.26 = 152,933.72/x
  3. Step 3: Cross multiply
    228,254.36x = 315,034.26 × 152,933.72
  4. Step 4: Simplify right side
    228,254.36x = 48,179,361,309.25
  5. Step 5: Solve for x
    x = 48,179,361,309.25/228,254.36
  6. Step 6: Final answer
    x = 211,077.51

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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.