Home / 272,303.24-407,578.74-145,626.56

Finding the Fourth Proportional to 272,303.24, 407,578.74 and 145,626.56

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Solution

The fourth proportional to 272,303.24, 407,578.74 and 145,626.56 is: 217,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,303.24 : 407,578.74 = 145,626.56 : x
  2. Step 2: Convert to fraction form
    272,303.24/407,578.74 = 145,626.56/x
  3. Step 3: Cross multiply
    272,303.24x = 407,578.74 × 145,626.56
  4. Step 4: Simplify right side
    272,303.24x = 59,354,289,835.33
  5. Step 5: Solve for x
    x = 59,354,289,835.33/272,303.24
  6. Step 6: Final answer
    x = 217,971.29

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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.