Home / 389,619.45-584,504.51-149,715.27

Finding the Fourth Proportional to 389,619.45, 584,504.51 and 149,715.27

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Solution

The fourth proportional to 389,619.45, 584,504.51 and 149,715.27 is: 224,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,619.45 : 584,504.51 = 149,715.27 : x
  2. Step 2: Convert to fraction form
    389,619.45/584,504.51 = 149,715.27/x
  3. Step 3: Cross multiply
    389,619.45x = 584,504.51 × 149,715.27
  4. Step 4: Simplify right side
    389,619.45x = 87,509,249,782.29
  5. Step 5: Solve for x
    x = 87,509,249,782.29/389,619.45
  6. Step 6: Final answer
    x = 224,601.85

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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.