Home / 309,122.03-426,169.55-264,281.69

Finding the Fourth Proportional to 309,122.03, 426,169.55 and 264,281.69

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Solution

The fourth proportional to 309,122.03, 426,169.55 and 264,281.69 is: 364,350.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,122.03 : 426,169.55 = 264,281.69 : x
  2. Step 2: Convert to fraction form
    309,122.03/426,169.55 = 264,281.69/x
  3. Step 3: Cross multiply
    309,122.03x = 426,169.55 × 264,281.69
  4. Step 4: Simplify right side
    309,122.03x = 112,628,805,448.28
  5. Step 5: Solve for x
    x = 112,628,805,448.28/309,122.03
  6. Step 6: Final answer
    x = 364,350.63

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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.