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Finding the Fourth Proportional to 203,069.92, 280,384.32 and 163,004.08

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Solution

The fourth proportional to 203,069.92, 280,384.32 and 163,004.08 is: 225,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,069.92 : 280,384.32 = 163,004.08 : x
  2. Step 2: Convert to fraction form
    203,069.92/280,384.32 = 163,004.08/x
  3. Step 3: Cross multiply
    203,069.92x = 280,384.32 × 163,004.08
  4. Step 4: Simplify right side
    203,069.92x = 45,703,788,128.03
  5. Step 5: Solve for x
    x = 45,703,788,128.03/203,069.92
  6. Step 6: Final answer
    x = 225,064.29

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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.