Home / 215,771.55-297,892.31-191,831.98

Finding the Fourth Proportional to 215,771.55, 297,892.31 and 191,831.98

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Solution

The fourth proportional to 215,771.55, 297,892.31 and 191,831.98 is: 264,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,771.55 : 297,892.31 = 191,831.98 : x
  2. Step 2: Convert to fraction form
    215,771.55/297,892.31 = 191,831.98/x
  3. Step 3: Cross multiply
    215,771.55x = 297,892.31 × 191,831.98
  4. Step 4: Simplify right side
    215,771.55x = 57,145,271,654.07
  5. Step 5: Solve for x
    x = 57,145,271,654.07/215,771.55
  6. Step 6: Final answer
    x = 264,841.55

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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.