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Finding the Fourth Proportional to 228,752.01, 315,672.39 and 133,252.54

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Solution

The fourth proportional to 228,752.01, 315,672.39 and 133,252.54 is: 183,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,752.01 : 315,672.39 = 133,252.54 : x
  2. Step 2: Convert to fraction form
    228,752.01/315,672.39 = 133,252.54/x
  3. Step 3: Cross multiply
    228,752.01x = 315,672.39 × 133,252.54
  4. Step 4: Simplify right side
    228,752.01x = 42,064,146,986.19
  5. Step 5: Solve for x
    x = 42,064,146,986.19/228,752.01
  6. Step 6: Final answer
    x = 183,885.37

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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.