Home / 208,319.08-287,479.45-116,438.24

Finding the Fourth Proportional to 208,319.08, 287,479.45 and 116,438.24

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Solution

The fourth proportional to 208,319.08, 287,479.45 and 116,438.24 is: 160,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,319.08 : 287,479.45 = 116,438.24 : x
  2. Step 2: Convert to fraction form
    208,319.08/287,479.45 = 116,438.24/x
  3. Step 3: Cross multiply
    208,319.08x = 287,479.45 × 116,438.24
  4. Step 4: Simplify right side
    208,319.08x = 33,473,601,403.45
  5. Step 5: Solve for x
    x = 33,473,601,403.45/208,319.08
  6. Step 6: Final answer
    x = 160,684.28

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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.