Home / 344,428.20-475,320.15-208,433.25

Finding the Fourth Proportional to 344,428.20, 475,320.15 and 208,433.25

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Solution

The fourth proportional to 344,428.20, 475,320.15 and 208,433.25 is: 287,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,428.20 : 475,320.15 = 208,433.25 : x
  2. Step 2: Convert to fraction form
    344,428.20/475,320.15 = 208,433.25/x
  3. Step 3: Cross multiply
    344,428.20x = 475,320.15 × 208,433.25
  4. Step 4: Simplify right side
    344,428.20x = 99,072,523,654.99
  5. Step 5: Solve for x
    x = 99,072,523,654.99/344,428.20
  6. Step 6: Final answer
    x = 287,643.47

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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.