Home / 208,319.58-287,480.14-116,438.75

Finding the Fourth Proportional to 208,319.58, 287,480.14 and 116,438.75

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Solution

The fourth proportional to 208,319.58, 287,480.14 and 116,438.75 is: 160,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,319.58 : 287,480.14 = 116,438.75 : x
  2. Step 2: Convert to fraction form
    208,319.58/287,480.14 = 116,438.75/x
  3. Step 3: Cross multiply
    208,319.58x = 287,480.14 × 116,438.75
  4. Step 4: Simplify right side
    208,319.58x = 33,473,826,131.83
  5. Step 5: Solve for x
    x = 33,473,826,131.83/208,319.58
  6. Step 6: Final answer
    x = 160,684.97

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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.