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Finding the Fourth Proportional to 275,800.52, 380,606.10 and 154,946.92

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Solution

The fourth proportional to 275,800.52, 380,606.10 and 154,946.92 is: 213,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,800.52 : 380,606.10 = 154,946.92 : x
  2. Step 2: Convert to fraction form
    275,800.52/380,606.10 = 154,946.92/x
  3. Step 3: Cross multiply
    275,800.52x = 380,606.10 × 154,946.92
  4. Step 4: Simplify right side
    275,800.52x = 58,973,742,928.21
  5. Step 5: Solve for x
    x = 58,973,742,928.21/275,800.52
  6. Step 6: Final answer
    x = 213,827.53

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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.