Home / 409,124.04-613,744.38-198,618

Finding the Fourth Proportional to 409,124.04, 613,744.38 and 198,618

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Solution

The fourth proportional to 409,124.04, 613,744.38 and 198,618 is: 297,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,124.04 : 613,744.38 = 198,618 : x
  2. Step 2: Convert to fraction form
    409,124.04/613,744.38 = 198,618/x
  3. Step 3: Cross multiply
    409,124.04x = 613,744.38 × 198,618
  4. Step 4: Simplify right side
    409,124.04x = 121,900,681,266.84
  5. Step 5: Solve for x
    x = 121,900,681,266.84/409,124.04
  6. Step 6: Final answer
    x = 297,955.31

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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.