Home / 230,290.74-317,933.09-153,939.17

Finding the Fourth Proportional to 230,290.74, 317,933.09 and 153,939.17

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Solution

The fourth proportional to 230,290.74, 317,933.09 and 153,939.17 is: 212,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,290.74 : 317,933.09 = 153,939.17 : x
  2. Step 2: Convert to fraction form
    230,290.74/317,933.09 = 153,939.17/x
  3. Step 3: Cross multiply
    230,290.74x = 317,933.09 × 153,939.17
  4. Step 4: Simplify right side
    230,290.74x = 48,942,353,630.77
  5. Step 5: Solve for x
    x = 48,942,353,630.77/230,290.74
  6. Step 6: Final answer
    x = 212,524.19

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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.