Home / 425,219.40-637,829.10-247,926.60

Finding the Fourth Proportional to 425,219.40, 637,829.10 and 247,926.60

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Solution

The fourth proportional to 425,219.40, 637,829.10 and 247,926.60 is: 371,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,219.40 : 637,829.10 = 247,926.60 : x
  2. Step 2: Convert to fraction form
    425,219.40/637,829.10 = 247,926.60/x
  3. Step 3: Cross multiply
    425,219.40x = 637,829.10 × 247,926.60
  4. Step 4: Simplify right side
    425,219.40x = 158,134,800,144.06
  5. Step 5: Solve for x
    x = 158,134,800,144.06/425,219.40
  6. Step 6: Final answer
    x = 371,889.90

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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.