Home / 340,729.27-470,207.07-204,765.30

Finding the Fourth Proportional to 340,729.27, 470,207.07 and 204,765.30

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Solution

The fourth proportional to 340,729.27, 470,207.07 and 204,765.30 is: 282,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,729.27 : 470,207.07 = 204,765.30 : x
  2. Step 2: Convert to fraction form
    340,729.27/470,207.07 = 204,765.30/x
  3. Step 3: Cross multiply
    340,729.27x = 470,207.07 × 204,765.30
  4. Step 4: Simplify right side
    340,729.27x = 96,282,091,750.67
  5. Step 5: Solve for x
    x = 96,282,091,750.67/340,729.27
  6. Step 6: Final answer
    x = 282,576.52

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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.