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Finding the Fourth Proportional to 176,590.45, 265,003.46 and 64,270.64

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Solution

The fourth proportional to 176,590.45, 265,003.46 and 64,270.64 is: 96,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,590.45 : 265,003.46 = 64,270.64 : x
  2. Step 2: Convert to fraction form
    176,590.45/265,003.46 = 64,270.64/x
  3. Step 3: Cross multiply
    176,590.45x = 265,003.46 × 64,270.64
  4. Step 4: Simplify right side
    176,590.45x = 17,031,941,976.41
  5. Step 5: Solve for x
    x = 17,031,941,976.41/176,590.45
  6. Step 6: Final answer
    x = 96,448.83

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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.