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Finding the Fourth Proportional to 425,258.35, 637,899.82 and 109,715.25

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Solution

The fourth proportional to 425,258.35, 637,899.82 and 109,715.25 is: 164,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,258.35 : 637,899.82 = 109,715.25 : x
  2. Step 2: Convert to fraction form
    425,258.35/637,899.82 = 109,715.25/x
  3. Step 3: Cross multiply
    425,258.35x = 637,899.82 × 109,715.25
  4. Step 4: Simplify right side
    425,258.35x = 69,987,337,951.97
  5. Step 5: Solve for x
    x = 69,987,337,951.97/425,258.35
  6. Step 6: Final answer
    x = 164,576.05

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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.