Home / 426,785.13-640,277.49-227,060.10

Finding the Fourth Proportional to 426,785.13, 640,277.49 and 227,060.10

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Solution

The fourth proportional to 426,785.13, 640,277.49 and 227,060.10 is: 340,643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,785.13 : 640,277.49 = 227,060.10 : x
  2. Step 2: Convert to fraction form
    426,785.13/640,277.49 = 227,060.10/x
  3. Step 3: Cross multiply
    426,785.13x = 640,277.49 × 227,060.10
  4. Step 4: Simplify right side
    426,785.13x = 145,381,470,907.15
  5. Step 5: Solve for x
    x = 145,381,470,907.15/426,785.13
  6. Step 6: Final answer
    x = 340,643.24

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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.