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Finding the Fourth Proportional to 228,252.86, 315,032.19 and 152,932.22

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Solution

The fourth proportional to 228,252.86, 315,032.19 and 152,932.22 is: 211,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,252.86 : 315,032.19 = 152,932.22 : x
  2. Step 2: Convert to fraction form
    228,252.86/315,032.19 = 152,932.22/x
  3. Step 3: Cross multiply
    228,252.86x = 315,032.19 × 152,932.22
  4. Step 4: Simplify right side
    228,252.86x = 48,178,572,188.16
  5. Step 5: Solve for x
    x = 48,178,572,188.16/228,252.86
  6. Step 6: Final answer
    x = 211,075.44

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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.