Home / 307,868.69-424,854.38-171,904.77

Finding the Fourth Proportional to 307,868.69, 424,854.38 and 171,904.77

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Solution

The fourth proportional to 307,868.69, 424,854.38 and 171,904.77 is: 237,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,868.69 : 424,854.38 = 171,904.77 : x
  2. Step 2: Convert to fraction form
    307,868.69/424,854.38 = 171,904.77/x
  3. Step 3: Cross multiply
    307,868.69x = 424,854.38 × 171,904.77
  4. Step 4: Simplify right side
    307,868.69x = 73,034,494,477.39
  5. Step 5: Solve for x
    x = 73,034,494,477.39/307,868.69
  6. Step 6: Final answer
    x = 237,226.12

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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.