Home / 446,439.20-616,091.44-242,490.56

Finding the Fourth Proportional to 446,439.20, 616,091.44 and 242,490.56

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Solution

The fourth proportional to 446,439.20, 616,091.44 and 242,490.56 is: 334,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,439.20 : 616,091.44 = 242,490.56 : x
  2. Step 2: Convert to fraction form
    446,439.20/616,091.44 = 242,490.56/x
  3. Step 3: Cross multiply
    446,439.20x = 616,091.44 × 242,490.56
  4. Step 4: Simplify right side
    446,439.20x = 149,396,358,296.81
  5. Step 5: Solve for x
    x = 149,396,358,296.81/446,439.20
  6. Step 6: Final answer
    x = 334,639.88

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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.