Home / 306,007.18-422,281.48-170,037.60

Finding the Fourth Proportional to 306,007.18, 422,281.48 and 170,037.60

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Solution

The fourth proportional to 306,007.18, 422,281.48 and 170,037.60 is: 234,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,007.18 : 422,281.48 = 170,037.60 : x
  2. Step 2: Convert to fraction form
    306,007.18/422,281.48 = 170,037.60/x
  3. Step 3: Cross multiply
    306,007.18x = 422,281.48 × 170,037.60
  4. Step 4: Simplify right side
    306,007.18x = 71,803,729,383.65
  5. Step 5: Solve for x
    x = 71,803,729,383.65/306,007.18
  6. Step 6: Final answer
    x = 234,647.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.