Home / 216,284.36-298,470.30-120,788.60

Finding the Fourth Proportional to 216,284.36, 298,470.30 and 120,788.60

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Solution

The fourth proportional to 216,284.36, 298,470.30 and 120,788.60 is: 166,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,284.36 : 298,470.30 = 120,788.60 : x
  2. Step 2: Convert to fraction form
    216,284.36/298,470.30 = 120,788.60/x
  3. Step 3: Cross multiply
    216,284.36x = 298,470.30 × 120,788.60
  4. Step 4: Simplify right side
    216,284.36x = 36,051,809,678.58
  5. Step 5: Solve for x
    x = 36,051,809,678.58/216,284.36
  6. Step 6: Final answer
    x = 166,687.09

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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.