Home / 521,514.12-782,264.58-166,523.64

Finding the Fourth Proportional to 521,514.12, 782,264.58 and 166,523.64

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Solution

The fourth proportional to 521,514.12, 782,264.58 and 166,523.64 is: 249,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,514.12 : 782,264.58 = 166,523.64 : x
  2. Step 2: Convert to fraction form
    521,514.12/782,264.58 = 166,523.64/x
  3. Step 3: Cross multiply
    521,514.12x = 782,264.58 × 166,523.64
  4. Step 4: Simplify right side
    521,514.12x = 130,265,545,304.67
  5. Step 5: Solve for x
    x = 130,265,545,304.67/521,514.12
  6. Step 6: Final answer
    x = 249,783.35

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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.