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Finding the Fourth Proportional to 265,831.49, 366,756.77 and 151,098.53

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Solution

The fourth proportional to 265,831.49, 366,756.77 and 151,098.53 is: 208,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,831.49 : 366,756.77 = 151,098.53 : x
  2. Step 2: Convert to fraction form
    265,831.49/366,756.77 = 151,098.53/x
  3. Step 3: Cross multiply
    265,831.49x = 366,756.77 × 151,098.53
  4. Step 4: Simplify right side
    265,831.49x = 55,416,408,059.06
  5. Step 5: Solve for x
    x = 55,416,408,059.06/265,831.49
  6. Step 6: Final answer
    x = 208,464.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.