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Finding the Fourth Proportional to 467,119.51, 644,624.92 and 252,259.56

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Solution

The fourth proportional to 467,119.51, 644,624.92 and 252,259.56 is: 348,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,119.51 : 644,624.92 = 252,259.56 : x
  2. Step 2: Convert to fraction form
    467,119.51/644,624.92 = 252,259.56/x
  3. Step 3: Cross multiply
    467,119.51x = 644,624.92 × 252,259.56
  4. Step 4: Simplify right side
    467,119.51x = 162,612,798,999.56
  5. Step 5: Solve for x
    x = 162,612,798,999.56/467,119.51
  6. Step 6: Final answer
    x = 348,118.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.