Home / 259,730.30-389,595.45-148,831.10

Finding the Fourth Proportional to 259,730.30, 389,595.45 and 148,831.10

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Solution

The fourth proportional to 259,730.30, 389,595.45 and 148,831.10 is: 223,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,730.30 : 389,595.45 = 148,831.10 : x
  2. Step 2: Convert to fraction form
    259,730.30/389,595.45 = 148,831.10/x
  3. Step 3: Cross multiply
    259,730.30x = 389,595.45 × 148,831.10
  4. Step 4: Simplify right side
    259,730.30x = 57,983,919,378.50
  5. Step 5: Solve for x
    x = 57,983,919,378.50/259,730.30
  6. Step 6: Final answer
    x = 223,246.65

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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.