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Finding the Fourth Proportional to 325,363.60, 488,000.40 and 100,878.40

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Solution

The fourth proportional to 325,363.60, 488,000.40 and 100,878.40 is: 151,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,363.60 : 488,000.40 = 100,878.40 : x
  2. Step 2: Convert to fraction form
    325,363.60/488,000.40 = 100,878.40/x
  3. Step 3: Cross multiply
    325,363.60x = 488,000.40 × 100,878.40
  4. Step 4: Simplify right side
    325,363.60x = 49,228,699,551.36
  5. Step 5: Solve for x
    x = 49,228,699,551.36/325,363.60
  6. Step 6: Final answer
    x = 151,303.65

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1.5x scale

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.