Home / 245,529.20-368,528.70-127,285.40

Finding the Fourth Proportional to 245,529.20, 368,528.70 and 127,285.40

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Solution

The fourth proportional to 245,529.20, 368,528.70 and 127,285.40 is: 191,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,529.20 : 368,528.70 = 127,285.40 : x
  2. Step 2: Convert to fraction form
    245,529.20/368,528.70 = 127,285.40/x
  3. Step 3: Cross multiply
    245,529.20x = 368,528.70 × 127,285.40
  4. Step 4: Simplify right side
    245,529.20x = 46,908,322,990.98
  5. Step 5: Solve for x
    x = 46,908,322,990.98/245,529.20
  6. Step 6: Final answer
    x = 191,049.88

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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.