Home / 306,924.58-423,621.28-206,264.26

Finding the Fourth Proportional to 306,924.58, 423,621.28 and 206,264.26

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Solution

The fourth proportional to 306,924.58, 423,621.28 and 206,264.26 is: 284,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,924.58 : 423,621.28 = 206,264.26 : x
  2. Step 2: Convert to fraction form
    306,924.58/423,621.28 = 206,264.26/x
  3. Step 3: Cross multiply
    306,924.58x = 423,621.28 × 206,264.26
  4. Step 4: Simplify right side
    306,924.58x = 87,377,929,839.45
  5. Step 5: Solve for x
    x = 87,377,929,839.45/306,924.58
  6. Step 6: Final answer
    x = 284,688.60

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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.