Home / 494,176.02-681,886.80-290,178.14

Finding the Fourth Proportional to 494,176.02, 681,886.80 and 290,178.14

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Solution

The fourth proportional to 494,176.02, 681,886.80 and 290,178.14 is: 400,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,176.02 : 681,886.80 = 290,178.14 : x
  2. Step 2: Convert to fraction form
    494,176.02/681,886.80 = 290,178.14/x
  3. Step 3: Cross multiply
    494,176.02x = 681,886.80 × 290,178.14
  4. Step 4: Simplify right side
    494,176.02x = 197,868,639,905.12
  5. Step 5: Solve for x
    x = 197,868,639,905.12/494,176.02
  6. Step 6: Final answer
    x = 400,401.14

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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.