Home / 307,919.51-424,904.68-171,942.83

Finding the Fourth Proportional to 307,919.51, 424,904.68 and 171,942.83

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Solution

The fourth proportional to 307,919.51, 424,904.68 and 171,942.83 is: 237,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,919.51 : 424,904.68 = 171,942.83 : x
  2. Step 2: Convert to fraction form
    307,919.51/424,904.68 = 171,942.83/x
  3. Step 3: Cross multiply
    307,919.51x = 424,904.68 × 171,942.83
  4. Step 4: Simplify right side
    307,919.51x = 73,059,313,159.44
  5. Step 5: Solve for x
    x = 73,059,313,159.44/307,919.51
  6. Step 6: Final answer
    x = 237,267.57

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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.