Home / 645,332.40-967,998-196,051.44

Finding the Fourth Proportional to 645,332.40, 967,998 and 196,051.44

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Solution

The fourth proportional to 645,332.40, 967,998 and 196,051.44 is: 294,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,332.40 : 967,998 = 196,051.44 : x
  2. Step 2: Convert to fraction form
    645,332.40/967,998 = 196,051.44/x
  3. Step 3: Cross multiply
    645,332.40x = 967,998 × 196,051.44
  4. Step 4: Simplify right side
    645,332.40x = 189,777,401,817.12
  5. Step 5: Solve for x
    x = 189,777,401,817.12/645,332.40
  6. Step 6: Final answer
    x = 294,076.98

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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.