Home / 307,544.49-424,421.91-178,473.02

Finding the Fourth Proportional to 307,544.49, 424,421.91 and 178,473.02

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Solution

The fourth proportional to 307,544.49, 424,421.91 and 178,473.02 is: 246,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,544.49 : 424,421.91 = 178,473.02 : x
  2. Step 2: Convert to fraction form
    307,544.49/424,421.91 = 178,473.02/x
  3. Step 3: Cross multiply
    307,544.49x = 424,421.91 × 178,473.02
  4. Step 4: Simplify right side
    307,544.49x = 75,747,857,909.76
  5. Step 5: Solve for x
    x = 75,747,857,909.76/307,544.49
  6. Step 6: Final answer
    x = 246,298.86

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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.