Home / 210,321.17-290,241.71-114,827.87

Finding the Fourth Proportional to 210,321.17, 290,241.71 and 114,827.87

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Solution

The fourth proportional to 210,321.17, 290,241.71 and 114,827.87 is: 158,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,321.17 : 290,241.71 = 114,827.87 : x
  2. Step 2: Convert to fraction form
    210,321.17/290,241.71 = 114,827.87/x
  3. Step 3: Cross multiply
    210,321.17x = 290,241.71 × 114,827.87
  4. Step 4: Simplify right side
    210,321.17x = 33,327,835,893.25
  5. Step 5: Solve for x
    x = 33,327,835,893.25/210,321.17
  6. Step 6: Final answer
    x = 158,461.63

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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.