Home / 209,588.22-312,956.73-197,748.36

Finding the Fourth Proportional to 209,588.22, 312,956.73 and 197,748.36

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Solution

The fourth proportional to 209,588.22, 312,956.73 and 197,748.36 is: 295,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,588.22 : 312,956.73 = 197,748.36 : x
  2. Step 2: Convert to fraction form
    209,588.22/312,956.73 = 197,748.36/x
  3. Step 3: Cross multiply
    209,588.22x = 312,956.73 × 197,748.36
  4. Step 4: Simplify right side
    209,588.22x = 61,886,680,108.46
  5. Step 5: Solve for x
    x = 61,886,680,108.46/209,588.22
  6. Step 6: Final answer
    x = 295,277.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.