Home / 287,125.17-430,213.83-166,844.47

Finding the Fourth Proportional to 287,125.17, 430,213.83 and 166,844.47

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Solution

The fourth proportional to 287,125.17, 430,213.83 and 166,844.47 is: 249,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,125.17 : 430,213.83 = 166,844.47 : x
  2. Step 2: Convert to fraction form
    287,125.17/430,213.83 = 166,844.47/x
  3. Step 3: Cross multiply
    287,125.17x = 430,213.83 × 166,844.47
  4. Step 4: Simplify right side
    287,125.17x = 71,778,798,453.02
  5. Step 5: Solve for x
    x = 71,778,798,453.02/287,125.17
  6. Step 6: Final answer
    x = 249,991.31

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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.