Home / 808,106.90-1,211,965.95-247,146.26

Finding the Fourth Proportional to 808,106.90, 1,211,965.95 and 247,146.26

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Solution

The fourth proportional to 808,106.90, 1,211,965.95 and 247,146.26 is: 370,659.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,106.90 : 1,211,965.95 = 247,146.26 : x
  2. Step 2: Convert to fraction form
    808,106.90/1,211,965.95 = 247,146.26/x
  3. Step 3: Cross multiply
    808,106.90x = 1,211,965.95 × 247,146.26
  4. Step 4: Simplify right side
    808,106.90x = 299,532,851,789.85
  5. Step 5: Solve for x
    x = 299,532,851,789.85/808,106.90
  6. Step 6: Final answer
    x = 370,659.94

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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.