Home / 307,445.03-424,274.71-171,487.78

Finding the Fourth Proportional to 307,445.03, 424,274.71 and 171,487.78

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Solution

The fourth proportional to 307,445.03, 424,274.71 and 171,487.78 is: 236,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,445.03 : 424,274.71 = 171,487.78 : x
  2. Step 2: Convert to fraction form
    307,445.03/424,274.71 = 171,487.78/x
  3. Step 3: Cross multiply
    307,445.03x = 424,274.71 × 171,487.78
  4. Step 4: Simplify right side
    307,445.03x = 72,757,928,946.80
  5. Step 5: Solve for x
    x = 72,757,928,946.80/307,445.03
  6. Step 6: Final answer
    x = 236,653.46

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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.