Home / 446,277.28-615,866.64-245,074.72

Finding the Fourth Proportional to 446,277.28, 615,866.64 and 245,074.72

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Solution

The fourth proportional to 446,277.28, 615,866.64 and 245,074.72 is: 338,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,277.28 : 615,866.64 = 245,074.72 : x
  2. Step 2: Convert to fraction form
    446,277.28/615,866.64 = 245,074.72/x
  3. Step 3: Cross multiply
    446,277.28x = 615,866.64 × 245,074.72
  4. Step 4: Simplify right side
    446,277.28x = 150,933,344,355.34
  5. Step 5: Solve for x
    x = 150,933,344,355.34/446,277.28
  6. Step 6: Final answer
    x = 338,205.31

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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.