Home / 425,224.82-637,629.35-185,541.27

Finding the Fourth Proportional to 425,224.82, 637,629.35 and 185,541.27

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Solution

The fourth proportional to 425,224.82, 637,629.35 and 185,541.27 is: 278,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,224.82 : 637,629.35 = 185,541.27 : x
  2. Step 2: Convert to fraction form
    425,224.82/637,629.35 = 185,541.27/x
  3. Step 3: Cross multiply
    425,224.82x = 637,629.35 × 185,541.27
  4. Step 4: Simplify right side
    425,224.82x = 118,306,558,460.57
  5. Step 5: Solve for x
    x = 118,306,558,460.57/425,224.82
  6. Step 6: Final answer
    x = 278,221.20

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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.