Home / 306,749.14-423,165.42-197,824.74

Finding the Fourth Proportional to 306,749.14, 423,165.42 and 197,824.74

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Solution

The fourth proportional to 306,749.14, 423,165.42 and 197,824.74 is: 272,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,749.14 : 423,165.42 = 197,824.74 : x
  2. Step 2: Convert to fraction form
    306,749.14/423,165.42 = 197,824.74/x
  3. Step 3: Cross multiply
    306,749.14x = 423,165.42 × 197,824.74
  4. Step 4: Simplify right side
    306,749.14x = 83,712,589,188.49
  5. Step 5: Solve for x
    x = 83,712,589,188.49/306,749.14
  6. Step 6: Final answer
    x = 272,902.44

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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.