Home / 307,706.24-424,605.85-178,610.47

Finding the Fourth Proportional to 307,706.24, 424,605.85 and 178,610.47

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Solution

The fourth proportional to 307,706.24, 424,605.85 and 178,610.47 is: 246,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,706.24 : 424,605.85 = 178,610.47 : x
  2. Step 2: Convert to fraction form
    307,706.24/424,605.85 = 178,610.47/x
  3. Step 3: Cross multiply
    307,706.24x = 424,605.85 × 178,610.47
  4. Step 4: Simplify right side
    307,706.24x = 75,839,048,925.21
  5. Step 5: Solve for x
    x = 75,839,048,925.21/307,706.24
  6. Step 6: Final answer
    x = 246,465.75

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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.