Home / 434,836.80-651,380.40-247,629.60

Finding the Fourth Proportional to 434,836.80, 651,380.40 and 247,629.60

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Solution

The fourth proportional to 434,836.80, 651,380.40 and 247,629.60 is: 370,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,836.80 : 651,380.40 = 247,629.60 : x
  2. Step 2: Convert to fraction form
    434,836.80/651,380.40 = 247,629.60/x
  3. Step 3: Cross multiply
    434,836.80x = 651,380.40 × 247,629.60
  4. Step 4: Simplify right side
    434,836.80x = 161,301,067,899.84
  5. Step 5: Solve for x
    x = 161,301,067,899.84/434,836.80
  6. Step 6: Final answer
    x = 370,946.22

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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.