Home / 256,483.67-384,732.03-121,516.10

Finding the Fourth Proportional to 256,483.67, 384,732.03 and 121,516.10

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Solution

The fourth proportional to 256,483.67, 384,732.03 and 121,516.10 is: 182,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,483.67 : 384,732.03 = 121,516.10 : x
  2. Step 2: Convert to fraction form
    256,483.67/384,732.03 = 121,516.10/x
  3. Step 3: Cross multiply
    256,483.67x = 384,732.03 × 121,516.10
  4. Step 4: Simplify right side
    256,483.67x = 46,751,135,121.93
  5. Step 5: Solve for x
    x = 46,751,135,121.93/256,483.67
  6. Step 6: Final answer
    x = 182,277.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.