Home / 272,172.14-407,384.73-145,495.70

Finding the Fourth Proportional to 272,172.14, 407,384.73 and 145,495.70

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Solution

The fourth proportional to 272,172.14, 407,384.73 and 145,495.70 is: 217,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,172.14 : 407,384.73 = 145,495.70 : x
  2. Step 2: Convert to fraction form
    272,172.14/407,384.73 = 145,495.70/x
  3. Step 3: Cross multiply
    272,172.14x = 407,384.73 × 145,495.70
  4. Step 4: Simplify right side
    272,172.14x = 59,272,726,460.66
  5. Step 5: Solve for x
    x = 59,272,726,460.66/272,172.14
  6. Step 6: Final answer
    x = 217,776.61

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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.