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Finding the Fourth Proportional to 259,010.34, 357,450.78 and 157,045.56

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Solution

The fourth proportional to 259,010.34, 357,450.78 and 157,045.56 is: 216,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,010.34 : 357,450.78 = 157,045.56 : x
  2. Step 2: Convert to fraction form
    259,010.34/357,450.78 = 157,045.56/x
  3. Step 3: Cross multiply
    259,010.34x = 357,450.78 × 157,045.56
  4. Step 4: Simplify right side
    259,010.34x = 56,136,057,917.54
  5. Step 5: Solve for x
    x = 56,136,057,917.54/259,010.34
  6. Step 6: Final answer
    x = 216,732.88

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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.