Home / 426,969.32-640,564.50-227,125.04

Finding the Fourth Proportional to 426,969.32, 640,564.50 and 227,125.04

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Solution

The fourth proportional to 426,969.32, 640,564.50 and 227,125.04 is: 340,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,969.32 : 640,564.50 = 227,125.04 : x
  2. Step 2: Convert to fraction form
    426,969.32/640,564.50 = 227,125.04/x
  3. Step 3: Cross multiply
    426,969.32x = 640,564.50 × 227,125.04
  4. Step 4: Simplify right side
    426,969.32x = 145,488,237,685.08
  5. Step 5: Solve for x
    x = 145,488,237,685.08/426,969.32
  6. Step 6: Final answer
    x = 340,746.35

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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.