Home / 307,146.32-423,717-179,743.04

Finding the Fourth Proportional to 307,146.32, 423,717 and 179,743.04

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Solution

The fourth proportional to 307,146.32, 423,717 and 179,743.04 is: 247,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,146.32 : 423,717 = 179,743.04 : x
  2. Step 2: Convert to fraction form
    307,146.32/423,717 = 179,743.04/x
  3. Step 3: Cross multiply
    307,146.32x = 423,717 × 179,743.04
  4. Step 4: Simplify right side
    307,146.32x = 76,160,181,679.68
  5. Step 5: Solve for x
    x = 76,160,181,679.68/307,146.32
  6. Step 6: Final answer
    x = 247,960.59

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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.