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Finding the Fourth Proportional to 248,663.70, 372,995.55 and 155,222.10

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Solution

The fourth proportional to 248,663.70, 372,995.55 and 155,222.10 is: 232,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,663.70 : 372,995.55 = 155,222.10 : x
  2. Step 2: Convert to fraction form
    248,663.70/372,995.55 = 155,222.10/x
  3. Step 3: Cross multiply
    248,663.70x = 372,995.55 × 155,222.10
  4. Step 4: Simplify right side
    248,663.70x = 57,897,152,561.66
  5. Step 5: Solve for x
    x = 57,897,152,561.66/248,663.70
  6. Step 6: Final answer
    x = 232,833.15

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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.