Home / 641,320.53-962,011.77-168,006.34

Finding the Fourth Proportional to 641,320.53, 962,011.77 and 168,006.34

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Solution

The fourth proportional to 641,320.53, 962,011.77 and 168,006.34 is: 252,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,320.53 : 962,011.77 = 168,006.34 : x
  2. Step 2: Convert to fraction form
    641,320.53/962,011.77 = 168,006.34/x
  3. Step 3: Cross multiply
    641,320.53x = 962,011.77 × 168,006.34
  4. Step 4: Simplify right side
    641,320.53x = 161,624,076,514.62
  5. Step 5: Solve for x
    x = 161,624,076,514.62/641,320.53
  6. Step 6: Final answer
    x = 252,017.62

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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.