Home / 307,854.07-424,834.57-171,890.34

Finding the Fourth Proportional to 307,854.07, 424,834.57 and 171,890.34

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Solution

The fourth proportional to 307,854.07, 424,834.57 and 171,890.34 is: 237,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,854.07 : 424,834.57 = 171,890.34 : x
  2. Step 2: Convert to fraction form
    307,854.07/424,834.57 = 171,890.34/x
  3. Step 3: Cross multiply
    307,854.07x = 424,834.57 × 171,890.34
  4. Step 4: Simplify right side
    307,854.07x = 73,024,958,681.05
  5. Step 5: Solve for x
    x = 73,024,958,681.05/307,854.07
  6. Step 6: Final answer
    x = 237,206.41

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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.