Home / 331,654.07-457,684.13-188,421.98

Finding the Fourth Proportional to 331,654.07, 457,684.13 and 188,421.98

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Solution

The fourth proportional to 331,654.07, 457,684.13 and 188,421.98 is: 260,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,654.07 : 457,684.13 = 188,421.98 : x
  2. Step 2: Convert to fraction form
    331,654.07/457,684.13 = 188,421.98/x
  3. Step 3: Cross multiply
    331,654.07x = 457,684.13 × 188,421.98
  4. Step 4: Simplify right side
    331,654.07x = 86,237,748,171.81
  5. Step 5: Solve for x
    x = 86,237,748,171.81/331,654.07
  6. Step 6: Final answer
    x = 260,023.18

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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.