Home / 525,206.70-787,949.64-188,281.44

Finding the Fourth Proportional to 525,206.70, 787,949.64 and 188,281.44

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Solution

The fourth proportional to 525,206.70, 787,949.64 and 188,281.44 is: 282,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,206.70 : 787,949.64 = 188,281.44 : x
  2. Step 2: Convert to fraction form
    525,206.70/787,949.64 = 188,281.44/x
  3. Step 3: Cross multiply
    525,206.70x = 787,949.64 × 188,281.44
  4. Step 4: Simplify right side
    525,206.70x = 148,356,292,866.68
  5. Step 5: Solve for x
    x = 148,356,292,866.68/525,206.70
  6. Step 6: Final answer
    x = 282,472.20

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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.