Home / 258,677.12-356,920.86-151,226.30

Finding the Fourth Proportional to 258,677.12, 356,920.86 and 151,226.30

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Solution

The fourth proportional to 258,677.12, 356,920.86 and 151,226.30 is: 208,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,677.12 : 356,920.86 = 151,226.30 : x
  2. Step 2: Convert to fraction form
    258,677.12/356,920.86 = 151,226.30/x
  3. Step 3: Cross multiply
    258,677.12x = 356,920.86 × 151,226.30
  4. Step 4: Simplify right side
    258,677.12x = 53,975,821,050.62
  5. Step 5: Solve for x
    x = 53,975,821,050.62/258,677.12
  6. Step 6: Final answer
    x = 208,660.98

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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.