Home / 409,019.50-613,560.00-109,493.45

Finding the Fourth Proportional to 409,019.50, 613,560.00 and 109,493.45

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Solution

The fourth proportional to 409,019.50, 613,560.00 and 109,493.45 is: 164,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,019.50 : 613,560.00 = 109,493.45 : x
  2. Step 2: Convert to fraction form
    409,019.50/613,560.00 = 109,493.45/x
  3. Step 3: Cross multiply
    409,019.50x = 613,560.00 × 109,493.45
  4. Step 4: Simplify right side
    409,019.50x = 67,180,798,946.04
  5. Step 5: Solve for x
    x = 67,180,798,946.04/409,019.50
  6. Step 6: Final answer
    x = 164,248.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.