Home / 295,022.16-407,069.55-172,490.94

Finding the Fourth Proportional to 295,022.16, 407,069.55 and 172,490.94

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Solution

The fourth proportional to 295,022.16, 407,069.55 and 172,490.94 is: 238,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,022.16 : 407,069.55 = 172,490.94 : x
  2. Step 2: Convert to fraction form
    295,022.16/407,069.55 = 172,490.94/x
  3. Step 3: Cross multiply
    295,022.16x = 407,069.55 × 172,490.94
  4. Step 4: Simplify right side
    295,022.16x = 70,215,809,324.88
  5. Step 5: Solve for x
    x = 70,215,809,324.88/295,022.16
  6. Step 6: Final answer
    x = 238,001.81

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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.