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Finding the Fourth Proportional to 413,410.36, 570,512.28 and 232,161.52

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Solution

The fourth proportional to 413,410.36, 570,512.28 and 232,161.52 is: 320,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,410.36 : 570,512.28 = 232,161.52 : x
  2. Step 2: Convert to fraction form
    413,410.36/570,512.28 = 232,161.52/x
  3. Step 3: Cross multiply
    413,410.36x = 570,512.28 × 232,161.52
  4. Step 4: Simplify right side
    413,410.36x = 132,450,998,103.47
  5. Step 5: Solve for x
    x = 132,450,998,103.47/413,410.36
  6. Step 6: Final answer
    x = 320,386.26

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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.