Home / 307,849.82-424,828.58-171,885.84

Finding the Fourth Proportional to 307,849.82, 424,828.58 and 171,885.84

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Solution

The fourth proportional to 307,849.82, 424,828.58 and 171,885.84 is: 237,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,849.82 : 424,828.58 = 171,885.84 : x
  2. Step 2: Convert to fraction form
    307,849.82/424,828.58 = 171,885.84/x
  3. Step 3: Cross multiply
    307,849.82x = 424,828.58 × 171,885.84
  4. Step 4: Simplify right side
    307,849.82x = 73,022,017,329.31
  5. Step 5: Solve for x
    x = 73,022,017,329.31/307,849.82
  6. Step 6: Final answer
    x = 237,200.13

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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.