Home / 236,711.87-355,033.63-140,705.30

Finding the Fourth Proportional to 236,711.87, 355,033.63 and 140,705.30

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Solution

The fourth proportional to 236,711.87, 355,033.63 and 140,705.30 is: 211,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,711.87 : 355,033.63 = 140,705.30 : x
  2. Step 2: Convert to fraction form
    236,711.87/355,033.63 = 140,705.30/x
  3. Step 3: Cross multiply
    236,711.87x = 355,033.63 × 140,705.30
  4. Step 4: Simplify right side
    236,711.87x = 49,955,114,482.70
  5. Step 5: Solve for x
    x = 49,955,114,482.70/236,711.87
  6. Step 6: Final answer
    x = 211,037.64

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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.