Home / 436,750.80-654,904.65-199,890.60

Finding the Fourth Proportional to 436,750.80, 654,904.65 and 199,890.60

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Solution

The fourth proportional to 436,750.80, 654,904.65 and 199,890.60 is: 299,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,750.80 : 654,904.65 = 199,890.60 : x
  2. Step 2: Convert to fraction form
    436,750.80/654,904.65 = 199,890.60/x
  3. Step 3: Cross multiply
    436,750.80x = 654,904.65 × 199,890.60
  4. Step 4: Simplify right side
    436,750.80x = 130,909,283,431.29
  5. Step 5: Solve for x
    x = 130,909,283,431.29/436,750.80
  6. Step 6: Final answer
    x = 299,734.50

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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.