Home / 220,408.24-304,196.63-134,417.11

Finding the Fourth Proportional to 220,408.24, 304,196.63 and 134,417.11

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Solution

The fourth proportional to 220,408.24, 304,196.63 and 134,417.11 is: 185,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,408.24 : 304,196.63 = 134,417.11 : x
  2. Step 2: Convert to fraction form
    220,408.24/304,196.63 = 134,417.11/x
  3. Step 3: Cross multiply
    220,408.24x = 304,196.63 × 134,417.11
  4. Step 4: Simplify right side
    220,408.24x = 40,889,231,876.34
  5. Step 5: Solve for x
    x = 40,889,231,876.34/220,408.24
  6. Step 6: Final answer
    x = 185,515.89

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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.