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Finding the Fourth Proportional to 265,765.86, 366,845.76 and 158,369.58

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Solution

The fourth proportional to 265,765.86, 366,845.76 and 158,369.58 is: 218,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,765.86 : 366,845.76 = 158,369.58 : x
  2. Step 2: Convert to fraction form
    265,765.86/366,845.76 = 158,369.58/x
  3. Step 3: Cross multiply
    265,765.86x = 366,845.76 × 158,369.58
  4. Step 4: Simplify right side
    265,765.86x = 58,097,208,935.98
  5. Step 5: Solve for x
    x = 58,097,208,935.98/265,765.86
  6. Step 6: Final answer
    x = 218,602.98

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1.5x scale

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.