Home / 207,864.10-311,017.65-148,030.90

Finding the Fourth Proportional to 207,864.10, 311,017.65 and 148,030.90

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Solution

The fourth proportional to 207,864.10, 311,017.65 and 148,030.90 is: 221,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,864.10 : 311,017.65 = 148,030.90 : x
  2. Step 2: Convert to fraction form
    207,864.10/311,017.65 = 148,030.90/x
  3. Step 3: Cross multiply
    207,864.10x = 311,017.65 × 148,030.90
  4. Step 4: Simplify right side
    207,864.10x = 46,040,222,645.39
  5. Step 5: Solve for x
    x = 46,040,222,645.39/207,864.10
  6. Step 6: Final answer
    x = 221,491.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.