Home / 292,701.96-438,942.78-115,111.89

Finding the Fourth Proportional to 292,701.96, 438,942.78 and 115,111.89

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Solution

The fourth proportional to 292,701.96, 438,942.78 and 115,111.89 is: 172,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,701.96 : 438,942.78 = 115,111.89 : x
  2. Step 2: Convert to fraction form
    292,701.96/438,942.78 = 115,111.89/x
  3. Step 3: Cross multiply
    292,701.96x = 438,942.78 × 115,111.89
  4. Step 4: Simplify right side
    292,701.96x = 50,527,533,007.65
  5. Step 5: Solve for x
    x = 50,527,533,007.65/292,701.96
  6. Step 6: Final answer
    x = 172,624.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.