Home / 258,330.42-356,538.78-150,900.12

Finding the Fourth Proportional to 258,330.42, 356,538.78 and 150,900.12

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Solution

The fourth proportional to 258,330.42, 356,538.78 and 150,900.12 is: 208,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,330.42 : 356,538.78 = 150,900.12 : x
  2. Step 2: Convert to fraction form
    258,330.42/356,538.78 = 150,900.12/x
  3. Step 3: Cross multiply
    258,330.42x = 356,538.78 × 150,900.12
  4. Step 4: Simplify right side
    258,330.42x = 53,801,744,686.65
  5. Step 5: Solve for x
    x = 53,801,744,686.65/258,330.42
  6. Step 6: Final answer
    x = 208,267.17

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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.