Home / 380,831.55-571,252.99-144,110.67

Finding the Fourth Proportional to 380,831.55, 571,252.99 and 144,110.67

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Solution

The fourth proportional to 380,831.55, 571,252.99 and 144,110.67 is: 216,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,831.55 : 571,252.99 = 144,110.67 : x
  2. Step 2: Convert to fraction form
    380,831.55/571,252.99 = 144,110.67/x
  3. Step 3: Cross multiply
    380,831.55x = 571,252.99 × 144,110.67
  4. Step 4: Simplify right side
    380,831.55x = 82,323,651,128.40
  5. Step 5: Solve for x
    x = 82,323,651,128.40/380,831.55
  6. Step 6: Final answer
    x = 216,168.15

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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.