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Finding the Fourth Proportional to 488,011.62, 673,455.83 and 273,151.63

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Solution

The fourth proportional to 488,011.62, 673,455.83 and 273,151.63 is: 376,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,011.62 : 673,455.83 = 273,151.63 : x
  2. Step 2: Convert to fraction form
    488,011.62/673,455.83 = 273,151.63/x
  3. Step 3: Cross multiply
    488,011.62x = 673,455.83 × 273,151.63
  4. Step 4: Simplify right side
    488,011.62x = 183,955,557,697.50
  5. Step 5: Solve for x
    x = 183,955,557,697.50/488,011.62
  6. Step 6: Final answer
    x = 376,949.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.