Home / 355,504.50-533,453.57-212,999.58

Finding the Fourth Proportional to 355,504.50, 533,453.57 and 212,999.58

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Solution

The fourth proportional to 355,504.50, 533,453.57 and 212,999.58 is: 319,617.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,504.50 : 533,453.57 = 212,999.58 : x
  2. Step 2: Convert to fraction form
    355,504.50/533,453.57 = 212,999.58/x
  3. Step 3: Cross multiply
    355,504.50x = 533,453.57 × 212,999.58
  4. Step 4: Simplify right side
    355,504.50x = 113,625,386,359.50
  5. Step 5: Solve for x
    x = 113,625,386,359.50/355,504.50
  6. Step 6: Final answer
    x = 319,617.29

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1.5x scale

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.