Home / 437,948.40-656,730.60-201,212.40

Finding the Fourth Proportional to 437,948.40, 656,730.60 and 201,212.40

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Solution

The fourth proportional to 437,948.40, 656,730.60 and 201,212.40 is: 301,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,948.40 : 656,730.60 = 201,212.40 : x
  2. Step 2: Convert to fraction form
    437,948.40/656,730.60 = 201,212.40/x
  3. Step 3: Cross multiply
    437,948.40x = 656,730.60 × 201,212.40
  4. Step 4: Simplify right side
    437,948.40x = 132,142,340,179.44
  5. Step 5: Solve for x
    x = 132,142,340,179.44/437,948.40
  6. Step 6: Final answer
    x = 301,730.39

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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.