Home / 208,304.28-287,439.36-116,406.60

Finding the Fourth Proportional to 208,304.28, 287,439.36 and 116,406.60

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Solution

The fourth proportional to 208,304.28, 287,439.36 and 116,406.60 is: 160,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,304.28 : 287,439.36 = 116,406.60 : x
  2. Step 2: Convert to fraction form
    208,304.28/287,439.36 = 116,406.60/x
  3. Step 3: Cross multiply
    208,304.28x = 287,439.36 × 116,406.60
  4. Step 4: Simplify right side
    208,304.28x = 33,459,838,603.78
  5. Step 5: Solve for x
    x = 33,459,838,603.78/208,304.28
  6. Step 6: Final answer
    x = 160,629.63

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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.