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Finding the Fourth Proportional to 248,460.46, 372,220.47 and 146,954.50

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Solution

The fourth proportional to 248,460.46, 372,220.47 and 146,954.50 is: 220,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,460.46 : 372,220.47 = 146,954.50 : x
  2. Step 2: Convert to fraction form
    248,460.46/372,220.47 = 146,954.50/x
  3. Step 3: Cross multiply
    248,460.46x = 372,220.47 × 146,954.50
  4. Step 4: Simplify right side
    248,460.46x = 54,699,472,128.06
  5. Step 5: Solve for x
    x = 54,699,472,128.06/248,460.46
  6. Step 6: Final answer
    x = 220,153.63

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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.