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Finding the Fourth Proportional to 253,382.37, 379,316.34 and 153,239.64

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Solution

The fourth proportional to 253,382.37, 379,316.34 and 153,239.64 is: 229,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,382.37 : 379,316.34 = 153,239.64 : x
  2. Step 2: Convert to fraction form
    253,382.37/379,316.34 = 153,239.64/x
  3. Step 3: Cross multiply
    253,382.37x = 379,316.34 × 153,239.64
  4. Step 4: Simplify right side
    253,382.37x = 58,126,299,387.72
  5. Step 5: Solve for x
    x = 58,126,299,387.72/253,382.37
  6. Step 6: Final answer
    x = 229,401.51

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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.