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Finding the Fourth Proportional to 281,955.51, 389,035.59 and 161,058.15

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Solution

The fourth proportional to 281,955.51, 389,035.59 and 161,058.15 is: 222,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,955.51 : 389,035.59 = 161,058.15 : x
  2. Step 2: Convert to fraction form
    281,955.51/389,035.59 = 161,058.15/x
  3. Step 3: Cross multiply
    281,955.51x = 389,035.59 × 161,058.15
  4. Step 4: Simplify right side
    281,955.51x = 62,657,352,409.56
  5. Step 5: Solve for x
    x = 62,657,352,409.56/281,955.51
  6. Step 6: Final answer
    x = 222,224.25

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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.