Home / 349,845.60-524,806.56-128,229.60

Finding the Fourth Proportional to 349,845.60, 524,806.56 and 128,229.60

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Solution

The fourth proportional to 349,845.60, 524,806.56 and 128,229.60 is: 192,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,845.60 : 524,806.56 = 128,229.60 : x
  2. Step 2: Convert to fraction form
    349,845.60/524,806.56 = 128,229.60/x
  3. Step 3: Cross multiply
    349,845.60x = 524,806.56 × 128,229.60
  4. Step 4: Simplify right side
    349,845.60x = 67,295,735,266.18
  5. Step 5: Solve for x
    x = 67,295,735,266.18/349,845.60
  6. Step 6: Final answer
    x = 192,358.39

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1.5x scale

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.