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Finding the Fourth Proportional to 258,031.68, 356,064.06 and 144,832.56

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Solution

The fourth proportional to 258,031.68, 356,064.06 and 144,832.56 is: 199,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,031.68 : 356,064.06 = 144,832.56 : x
  2. Step 2: Convert to fraction form
    258,031.68/356,064.06 = 144,832.56/x
  3. Step 3: Cross multiply
    258,031.68x = 356,064.06 × 144,832.56
  4. Step 4: Simplify right side
    258,031.68x = 51,569,669,333.79
  5. Step 5: Solve for x
    x = 51,569,669,333.79/258,031.68
  6. Step 6: Final answer
    x = 199,857.90

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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.