Home / 319,495.20-479,160.76-94,802.50

Finding the Fourth Proportional to 319,495.20, 479,160.76 and 94,802.50

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Solution

The fourth proportional to 319,495.20, 479,160.76 and 94,802.50 is: 142,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,495.20 : 479,160.76 = 94,802.50 : x
  2. Step 2: Convert to fraction form
    319,495.20/479,160.76 = 94,802.50/x
  3. Step 3: Cross multiply
    319,495.20x = 479,160.76 × 94,802.50
  4. Step 4: Simplify right side
    319,495.20x = 45,425,637,949.90
  5. Step 5: Solve for x
    x = 45,425,637,949.90/319,495.20
  6. Step 6: Final answer
    x = 142,179.41

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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.