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Finding the Fourth Proportional to 253,053.66, 348,975.36 and 162,437.34

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Solution

The fourth proportional to 253,053.66, 348,975.36 and 162,437.34 is: 224,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,053.66 : 348,975.36 = 162,437.34 : x
  2. Step 2: Convert to fraction form
    253,053.66/348,975.36 = 162,437.34/x
  3. Step 3: Cross multiply
    253,053.66x = 348,975.36 × 162,437.34
  4. Step 4: Simplify right side
    253,053.66x = 56,686,629,203.94
  5. Step 5: Solve for x
    x = 56,686,629,203.94/253,053.66
  6. Step 6: Final answer
    x = 224,010.31

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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.