Home / 256,272.09-384,189.35-181,155.93

Finding the Fourth Proportional to 256,272.09, 384,189.35 and 181,155.93

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Solution

The fourth proportional to 256,272.09, 384,189.35 and 181,155.93 is: 271,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,272.09 : 384,189.35 = 181,155.93 : x
  2. Step 2: Convert to fraction form
    256,272.09/384,189.35 = 181,155.93/x
  3. Step 3: Cross multiply
    256,272.09x = 384,189.35 × 181,155.93
  4. Step 4: Simplify right side
    256,272.09x = 69,598,178,089.57
  5. Step 5: Solve for x
    x = 69,598,178,089.57/256,272.09
  6. Step 6: Final answer
    x = 271,579.23

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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.