Home / 389,610.45-584,491.01-149,706.27

Finding the Fourth Proportional to 389,610.45, 584,491.01 and 149,706.27

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Solution

The fourth proportional to 389,610.45, 584,491.01 and 149,706.27 is: 224,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,610.45 : 584,491.01 = 149,706.27 : x
  2. Step 2: Convert to fraction form
    389,610.45/584,491.01 = 149,706.27/x
  3. Step 3: Cross multiply
    389,610.45x = 584,491.01 × 149,706.27
  4. Step 4: Simplify right side
    389,610.45x = 87,501,968,207.10
  5. Step 5: Solve for x
    x = 87,501,968,207.10/389,610.45
  6. Step 6: Final answer
    x = 224,588.35

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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.