Home / 229,933.80-317,314.80-139,270.50

Finding the Fourth Proportional to 229,933.80, 317,314.80 and 139,270.50

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Solution

The fourth proportional to 229,933.80, 317,314.80 and 139,270.50 is: 192,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,933.80 : 317,314.80 = 139,270.50 : x
  2. Step 2: Convert to fraction form
    229,933.80/317,314.80 = 139,270.50/x
  3. Step 3: Cross multiply
    229,933.80x = 317,314.80 × 139,270.50
  4. Step 4: Simplify right side
    229,933.80x = 44,192,590,853.40
  5. Step 5: Solve for x
    x = 44,192,590,853.40/229,933.80
  6. Step 6: Final answer
    x = 192,197.02

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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.