Home / 319,492.02-441,043.81-203,253.28

Finding the Fourth Proportional to 319,492.02, 441,043.81 and 203,253.28

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Solution

The fourth proportional to 319,492.02, 441,043.81 and 203,253.28 is: 280,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,492.02 : 441,043.81 = 203,253.28 : x
  2. Step 2: Convert to fraction form
    319,492.02/441,043.81 = 203,253.28/x
  3. Step 3: Cross multiply
    319,492.02x = 441,043.81 × 203,253.28
  4. Step 4: Simplify right side
    319,492.02x = 89,643,601,006.20
  5. Step 5: Solve for x
    x = 89,643,601,006.20/319,492.02
  6. Step 6: Final answer
    x = 280,581.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.