Home / 307,182.20-423,860.06-171,186.34

Finding the Fourth Proportional to 307,182.20, 423,860.06 and 171,186.34

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Solution

The fourth proportional to 307,182.20, 423,860.06 and 171,186.34 is: 236,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,182.20 : 423,860.06 = 171,186.34 : x
  2. Step 2: Convert to fraction form
    307,182.20/423,860.06 = 171,186.34/x
  3. Step 3: Cross multiply
    307,182.20x = 423,860.06 × 171,186.34
  4. Step 4: Simplify right side
    307,182.20x = 72,559,052,343.58
  5. Step 5: Solve for x
    x = 72,559,052,343.58/307,182.20
  6. Step 6: Final answer
    x = 236,208.52

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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.