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Finding the Fourth Proportional to 291,504.60, 402,462.09 and 237,917.52

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Solution

The fourth proportional to 291,504.60, 402,462.09 and 237,917.52 is: 328,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,504.60 : 402,462.09 = 237,917.52 : x
  2. Step 2: Convert to fraction form
    291,504.60/402,462.09 = 237,917.52/x
  3. Step 3: Cross multiply
    291,504.60x = 402,462.09 × 237,917.52
  4. Step 4: Simplify right side
    291,504.60x = 95,752,782,346.82
  5. Step 5: Solve for x
    x = 95,752,782,346.82/291,504.60
  6. Step 6: Final answer
    x = 328,477.77

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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.