Home / 212,817.76-319,232.52-52,887.24

Finding the Fourth Proportional to 212,817.76, 319,232.52 and 52,887.24

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Solution

The fourth proportional to 212,817.76, 319,232.52 and 52,887.24 is: 79,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,817.76 : 319,232.52 = 52,887.24 : x
  2. Step 2: Convert to fraction form
    212,817.76/319,232.52 = 52,887.24/x
  3. Step 3: Cross multiply
    212,817.76x = 319,232.52 × 52,887.24
  4. Step 4: Simplify right side
    212,817.76x = 16,883,326,901.04
  5. Step 5: Solve for x
    x = 16,883,326,901.04/212,817.76
  6. Step 6: Final answer
    x = 79,332.32

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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.