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Finding the Fourth Proportional to 236,475.80, 354,713.70 and 206,951.30

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Solution

The fourth proportional to 236,475.80, 354,713.70 and 206,951.30 is: 310,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,475.80 : 354,713.70 = 206,951.30 : x
  2. Step 2: Convert to fraction form
    236,475.80/354,713.70 = 206,951.30/x
  3. Step 3: Cross multiply
    236,475.80x = 354,713.70 × 206,951.30
  4. Step 4: Simplify right side
    236,475.80x = 73,408,461,342.81
  5. Step 5: Solve for x
    x = 73,408,461,342.81/236,475.80
  6. Step 6: Final answer
    x = 310,426.95

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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.