Home / 400,005.14-552,146.09-230,306.90

Finding the Fourth Proportional to 400,005.14, 552,146.09 and 230,306.90

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Solution

The fourth proportional to 400,005.14, 552,146.09 and 230,306.90 is: 317,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,005.14 : 552,146.09 = 230,306.90 : x
  2. Step 2: Convert to fraction form
    400,005.14/552,146.09 = 230,306.90/x
  3. Step 3: Cross multiply
    400,005.14x = 552,146.09 × 230,306.90
  4. Step 4: Simplify right side
    400,005.14x = 127,163,050,422.76
  5. Step 5: Solve for x
    x = 127,163,050,422.76/400,005.14
  6. Step 6: Final answer
    x = 317,903.54

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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.