Home / 256,582.69-384,936.60-180,828.88

Finding the Fourth Proportional to 256,582.69, 384,936.60 and 180,828.88

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Solution

The fourth proportional to 256,582.69, 384,936.60 and 180,828.88 is: 271,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,582.69 : 384,936.60 = 180,828.88 : x
  2. Step 2: Convert to fraction form
    256,582.69/384,936.60 = 180,828.88/x
  3. Step 3: Cross multiply
    256,582.69x = 384,936.60 × 180,828.88
  4. Step 4: Simplify right side
    256,582.69x = 69,607,654,249.01
  5. Step 5: Solve for x
    x = 69,607,654,249.01/256,582.69
  6. Step 6: Final answer
    x = 271,287.41

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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.