Home / 287,254.25-430,881.83-118,589.47

Finding the Fourth Proportional to 287,254.25, 430,881.83 and 118,589.47

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Solution

The fourth proportional to 287,254.25, 430,881.83 and 118,589.47 is: 177,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,254.25 : 430,881.83 = 118,589.47 : x
  2. Step 2: Convert to fraction form
    287,254.25/430,881.83 = 118,589.47/x
  3. Step 3: Cross multiply
    287,254.25x = 430,881.83 × 118,589.47
  4. Step 4: Simplify right side
    287,254.25x = 51,098,046,626.89
  5. Step 5: Solve for x
    x = 51,098,046,626.89/287,254.25
  6. Step 6: Final answer
    x = 177,884.39

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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.