Home / 358,436.08-494,637.87-197,287.66

Finding the Fourth Proportional to 358,436.08, 494,637.87 and 197,287.66

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Solution

The fourth proportional to 358,436.08, 494,637.87 and 197,287.66 is: 272,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,436.08 : 494,637.87 = 197,287.66 : x
  2. Step 2: Convert to fraction form
    358,436.08/494,637.87 = 197,287.66/x
  3. Step 3: Cross multiply
    358,436.08x = 494,637.87 × 197,287.66
  4. Step 4: Simplify right side
    358,436.08x = 97,585,947,919.68
  5. Step 5: Solve for x
    x = 97,585,947,919.68/358,436.08
  6. Step 6: Final answer
    x = 272,254.81

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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.