Home / 285,212.54-393,680.86-164,434.46

Finding the Fourth Proportional to 285,212.54, 393,680.86 and 164,434.46

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Solution

The fourth proportional to 285,212.54, 393,680.86 and 164,434.46 is: 226,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,212.54 : 393,680.86 = 164,434.46 : x
  2. Step 2: Convert to fraction form
    285,212.54/393,680.86 = 164,434.46/x
  3. Step 3: Cross multiply
    285,212.54x = 393,680.86 × 164,434.46
  4. Step 4: Simplify right side
    285,212.54x = 64,734,697,246.95
  5. Step 5: Solve for x
    x = 64,734,697,246.95/285,212.54
  6. Step 6: Final answer
    x = 226,970.02

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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.