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Finding the Fourth Proportional to 151,292.80, 226,501.80 and 146,918.80

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Solution

The fourth proportional to 151,292.80, 226,501.80 and 146,918.80 is: 219,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,292.80 : 226,501.80 = 146,918.80 : x
  2. Step 2: Convert to fraction form
    151,292.80/226,501.80 = 146,918.80/x
  3. Step 3: Cross multiply
    151,292.80x = 226,501.80 × 146,918.80
  4. Step 4: Simplify right side
    151,292.80x = 33,277,372,653.84
  5. Step 5: Solve for x
    x = 33,277,372,653.84/151,292.80
  6. Step 6: Final answer
    x = 219,953.45

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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.