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Finding the Fourth Proportional to 70,263.32, 105,383.88 and 22,880.12

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Solution

The fourth proportional to 70,263.32, 105,383.88 and 22,880.12 is: 34,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,263.32 : 105,383.88 = 22,880.12 : x
  2. Step 2: Convert to fraction form
    70,263.32/105,383.88 = 22,880.12/x
  3. Step 3: Cross multiply
    70,263.32x = 105,383.88 × 22,880.12
  4. Step 4: Simplify right side
    70,263.32x = 2,411,195,293.55
  5. Step 5: Solve for x
    x = 2,411,195,293.55/70,263.32
  6. Step 6: Final answer
    x = 34,316.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.