Home / 325,928.20-488,309.10-201,123.40

Finding the Fourth Proportional to 325,928.20, 488,309.10 and 201,123.40

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Solution

The fourth proportional to 325,928.20, 488,309.10 and 201,123.40 is: 301,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,928.20 : 488,309.10 = 201,123.40 : x
  2. Step 2: Convert to fraction form
    325,928.20/488,309.10 = 201,123.40/x
  3. Step 3: Cross multiply
    325,928.20x = 488,309.10 × 201,123.40
  4. Step 4: Simplify right side
    325,928.20x = 98,210,386,442.94
  5. Step 5: Solve for x
    x = 98,210,386,442.94/325,928.20
  6. Step 6: Final answer
    x = 301,325.22

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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.