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Finding the Fourth Proportional to 176,998.60, 265,109.10 and 153,670.60

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Solution

The fourth proportional to 176,998.60, 265,109.10 and 153,670.60 is: 230,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,998.60 : 265,109.10 = 153,670.60 : x
  2. Step 2: Convert to fraction form
    176,998.60/265,109.10 = 153,670.60/x
  3. Step 3: Cross multiply
    176,998.60x = 265,109.10 × 153,670.60
  4. Step 4: Simplify right side
    176,998.60x = 40,739,474,462.46
  5. Step 5: Solve for x
    x = 40,739,474,462.46/176,998.60
  6. Step 6: Final answer
    x = 230,168.34

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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.