Home / 222,317.46-306,975-205,315.50

Finding the Fourth Proportional to 222,317.46, 306,975 and 205,315.50

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Solution

The fourth proportional to 222,317.46, 306,975 and 205,315.50 is: 283,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,317.46 : 306,975 = 205,315.50 : x
  2. Step 2: Convert to fraction form
    222,317.46/306,975 = 205,315.50/x
  3. Step 3: Cross multiply
    222,317.46x = 306,975 × 205,315.50
  4. Step 4: Simplify right side
    222,317.46x = 63,026,725,612.50
  5. Step 5: Solve for x
    x = 63,026,725,612.50/222,317.46
  6. Step 6: Final answer
    x = 283,498.77

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1.5x scale

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.