Home / 309,270.05-426,785.44-181,953.84

Finding the Fourth Proportional to 309,270.05, 426,785.44 and 181,953.84

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Solution

The fourth proportional to 309,270.05, 426,785.44 and 181,953.84 is: 251,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,270.05 : 426,785.44 = 181,953.84 : x
  2. Step 2: Convert to fraction form
    309,270.05/426,785.44 = 181,953.84/x
  3. Step 3: Cross multiply
    309,270.05x = 426,785.44 × 181,953.84
  4. Step 4: Simplify right side
    309,270.05x = 77,655,249,664.09
  5. Step 5: Solve for x
    x = 77,655,249,664.09/309,270.05
  6. Step 6: Final answer
    x = 251,092.05

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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.