Home / 446,320.73-669,579.51-146,789.21

Finding the Fourth Proportional to 446,320.73, 669,579.51 and 146,789.21

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Solution

The fourth proportional to 446,320.73, 669,579.51 and 146,789.21 is: 220,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,320.73 : 669,579.51 = 146,789.21 : x
  2. Step 2: Convert to fraction form
    446,320.73/669,579.51 = 146,789.21/x
  3. Step 3: Cross multiply
    446,320.73x = 669,579.51 × 146,789.21
  4. Step 4: Simplify right side
    446,320.73x = 98,287,043,957.19
  5. Step 5: Solve for x
    x = 98,287,043,957.19/446,320.73
  6. Step 6: Final answer
    x = 220,216.18

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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.