Home / 272,166.67-407,376.51-145,490.14

Finding the Fourth Proportional to 272,166.67, 407,376.51 and 145,490.14

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Solution

The fourth proportional to 272,166.67, 407,376.51 and 145,490.14 is: 217,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,166.67 : 407,376.51 = 145,490.14 : x
  2. Step 2: Convert to fraction form
    272,166.67/407,376.51 = 145,490.14/x
  3. Step 3: Cross multiply
    272,166.67x = 407,376.51 × 145,490.14
  4. Step 4: Simplify right side
    272,166.67x = 59,269,265,472.61
  5. Step 5: Solve for x
    x = 59,269,265,472.61/272,166.67
  6. Step 6: Final answer
    x = 217,768.27

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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.