Home / 384,007.80-529,929.68-211,924.52

Finding the Fourth Proportional to 384,007.80, 529,929.68 and 211,924.52

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Solution

The fourth proportional to 384,007.80, 529,929.68 and 211,924.52 is: 292,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,007.80 : 529,929.68 = 211,924.52 : x
  2. Step 2: Convert to fraction form
    384,007.80/529,929.68 = 211,924.52/x
  3. Step 3: Cross multiply
    384,007.80x = 529,929.68 × 211,924.52
  4. Step 4: Simplify right side
    384,007.80x = 112,305,089,358.48
  5. Step 5: Solve for x
    x = 112,305,089,358.48/384,007.80
  6. Step 6: Final answer
    x = 292,455.23

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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.