Home / 446,923.08-616,765.80-242,987.72

Finding the Fourth Proportional to 446,923.08, 616,765.80 and 242,987.72

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Solution

The fourth proportional to 446,923.08, 616,765.80 and 242,987.72 is: 335,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,923.08 : 616,765.80 = 242,987.72 : x
  2. Step 2: Convert to fraction form
    446,923.08/616,765.80 = 242,987.72/x
  3. Step 3: Cross multiply
    446,923.08x = 616,765.80 × 242,987.72
  4. Step 4: Simplify right side
    446,923.08x = 149,866,515,515.98
  5. Step 5: Solve for x
    x = 149,866,515,515.98/446,923.08
  6. Step 6: Final answer
    x = 335,329.55

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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.