Home / 268,299.51-370,245.85-147,440.76

Finding the Fourth Proportional to 268,299.51, 370,245.85 and 147,440.76

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Solution

The fourth proportional to 268,299.51, 370,245.85 and 147,440.76 is: 203,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,299.51 : 370,245.85 = 147,440.76 : x
  2. Step 2: Convert to fraction form
    268,299.51/370,245.85 = 147,440.76/x
  3. Step 3: Cross multiply
    268,299.51x = 370,245.85 × 147,440.76
  4. Step 4: Simplify right side
    268,299.51x = 54,589,329,510.85
  5. Step 5: Solve for x
    x = 54,589,329,510.85/268,299.51
  6. Step 6: Final answer
    x = 203,464.14

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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.