Home / 213,824.40-320,045.40-166,822.80

Finding the Fourth Proportional to 213,824.40, 320,045.40 and 166,822.80

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Solution

The fourth proportional to 213,824.40, 320,045.40 and 166,822.80 is: 249,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,824.40 : 320,045.40 = 166,822.80 : x
  2. Step 2: Convert to fraction form
    213,824.40/320,045.40 = 166,822.80/x
  3. Step 3: Cross multiply
    213,824.40x = 320,045.40 × 166,822.80
  4. Step 4: Simplify right side
    213,824.40x = 53,390,869,755.12
  5. Step 5: Solve for x
    x = 53,390,869,755.12/213,824.40
  6. Step 6: Final answer
    x = 249,694.94

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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.