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Finding the Fourth Proportional to 442,029.52, 610,003.22 and 258,278.88

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Solution

The fourth proportional to 442,029.52, 610,003.22 and 258,278.88 is: 356,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,029.52 : 610,003.22 = 258,278.88 : x
  2. Step 2: Convert to fraction form
    442,029.52/610,003.22 = 258,278.88/x
  3. Step 3: Cross multiply
    442,029.52x = 610,003.22 × 258,278.88
  4. Step 4: Simplify right side
    442,029.52x = 157,550,948,457.99
  5. Step 5: Solve for x
    x = 157,550,948,457.99/442,029.52
  6. Step 6: Final answer
    x = 356,426.30

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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.