Home / 302,162.19-417,019.25-173,142.43

Finding the Fourth Proportional to 302,162.19, 417,019.25 and 173,142.43

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Solution

The fourth proportional to 302,162.19, 417,019.25 and 173,142.43 is: 238,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,162.19 : 417,019.25 = 173,142.43 : x
  2. Step 2: Convert to fraction form
    302,162.19/417,019.25 = 173,142.43/x
  3. Step 3: Cross multiply
    302,162.19x = 417,019.25 × 173,142.43
  4. Step 4: Simplify right side
    302,162.19x = 72,203,725,692.09
  5. Step 5: Solve for x
    x = 72,203,725,692.09/302,162.19
  6. Step 6: Final answer
    x = 238,956.85

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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.