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Finding the Fourth Proportional to 192,345.95, 288,261.01 and 149,702.89

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Solution

The fourth proportional to 192,345.95, 288,261.01 and 149,702.89 is: 224,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,345.95 : 288,261.01 = 149,702.89 : x
  2. Step 2: Convert to fraction form
    192,345.95/288,261.01 = 149,702.89/x
  3. Step 3: Cross multiply
    192,345.95x = 288,261.01 × 149,702.89
  4. Step 4: Simplify right side
    192,345.95x = 43,153,504,081.50
  5. Step 5: Solve for x
    x = 43,153,504,081.50/192,345.95
  6. Step 6: Final answer
    x = 224,353.59

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1.5x scale

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.