Home / 842,119.12-1,263,188.70-234,870.52

Finding the Fourth Proportional to 842,119.12, 1,263,188.70 and 234,870.52

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Solution

The fourth proportional to 842,119.12, 1,263,188.70 and 234,870.52 is: 352,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,119.12 : 1,263,188.70 = 234,870.52 : x
  2. Step 2: Convert to fraction form
    842,119.12/1,263,188.70 = 234,870.52/x
  3. Step 3: Cross multiply
    842,119.12x = 1,263,188.70 × 234,870.52
  4. Step 4: Simplify right side
    842,119.12x = 296,685,786,827.12
  5. Step 5: Solve for x
    x = 296,685,786,827.12/842,119.12
  6. Step 6: Final answer
    x = 352,308.57

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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.