Home / 247,128.17-370,816.38-97,475.81

Finding the Fourth Proportional to 247,128.17, 370,816.38 and 97,475.81

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Solution

The fourth proportional to 247,128.17, 370,816.38 and 97,475.81 is: 146,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,128.17 : 370,816.38 = 97,475.81 : x
  2. Step 2: Convert to fraction form
    247,128.17/370,816.38 = 97,475.81/x
  3. Step 3: Cross multiply
    247,128.17x = 370,816.38 × 97,475.81
  4. Step 4: Simplify right side
    247,128.17x = 36,145,625,147.69
  5. Step 5: Solve for x
    x = 36,145,625,147.69/247,128.17
  6. Step 6: Final answer
    x = 146,262.67

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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.