Home / 559,829.41-839,744.70-139,105.28

Finding the Fourth Proportional to 559,829.41, 839,744.70 and 139,105.28

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Solution

The fourth proportional to 559,829.41, 839,744.70 and 139,105.28 is: 208,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,829.41 : 839,744.70 = 139,105.28 : x
  2. Step 2: Convert to fraction form
    559,829.41/839,744.70 = 139,105.28/x
  3. Step 3: Cross multiply
    559,829.41x = 839,744.70 × 139,105.28
  4. Step 4: Simplify right side
    559,829.41x = 116,812,923,982.20
  5. Step 5: Solve for x
    x = 116,812,923,982.20/559,829.41
  6. Step 6: Final answer
    x = 208,658.07

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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.