Home / 307,616.04-424,539.36-186,729.54

Finding the Fourth Proportional to 307,616.04, 424,539.36 and 186,729.54

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Solution

The fourth proportional to 307,616.04, 424,539.36 and 186,729.54 is: 257,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,616.04 : 424,539.36 = 186,729.54 : x
  2. Step 2: Convert to fraction form
    307,616.04/424,539.36 = 186,729.54/x
  3. Step 3: Cross multiply
    307,616.04x = 424,539.36 × 186,729.54
  4. Step 4: Simplify right side
    307,616.04x = 79,274,039,404.69
  5. Step 5: Solve for x
    x = 79,274,039,404.69/307,616.04
  6. Step 6: Final answer
    x = 257,704.51

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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.