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Finding the Fourth Proportional to 253,360.38, 379,283.34 and 153,217.64

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Solution

The fourth proportional to 253,360.38, 379,283.34 and 153,217.64 is: 229,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,360.38 : 379,283.34 = 153,217.64 : x
  2. Step 2: Convert to fraction form
    253,360.38/379,283.34 = 153,217.64/x
  3. Step 3: Cross multiply
    253,360.38x = 379,283.34 × 153,217.64
  4. Step 4: Simplify right side
    253,360.38x = 58,112,898,246.12
  5. Step 5: Solve for x
    x = 58,112,898,246.12/253,360.38
  6. Step 6: Final answer
    x = 229,368.53

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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.