Home / 272,206.14-407,435.61-145,529.82

Finding the Fourth Proportional to 272,206.14, 407,435.61 and 145,529.82

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Solution

The fourth proportional to 272,206.14, 407,435.61 and 145,529.82 is: 217,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,206.14 : 407,435.61 = 145,529.82 : x
  2. Step 2: Convert to fraction form
    272,206.14/407,435.61 = 145,529.82/x
  3. Step 3: Cross multiply
    272,206.14x = 407,435.61 × 145,529.82
  4. Step 4: Simplify right side
    272,206.14x = 59,294,030,984.89
  5. Step 5: Solve for x
    x = 59,294,030,984.89/272,206.14
  6. Step 6: Final answer
    x = 217,827.68

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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.