Home / 228,297.09-315,022.38-131,532.60

Finding the Fourth Proportional to 228,297.09, 315,022.38 and 131,532.60

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Solution

The fourth proportional to 228,297.09, 315,022.38 and 131,532.60 is: 181,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,297.09 : 315,022.38 = 131,532.60 : x
  2. Step 2: Convert to fraction form
    228,297.09/315,022.38 = 131,532.60/x
  3. Step 3: Cross multiply
    228,297.09x = 315,022.38 × 131,532.60
  4. Step 4: Simplify right side
    228,297.09x = 41,435,712,699.59
  5. Step 5: Solve for x
    x = 41,435,712,699.59/228,297.09
  6. Step 6: Final answer
    x = 181,499.08

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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.