Home / 208,403.58-287,598.03-112,910.46

Finding the Fourth Proportional to 208,403.58, 287,598.03 and 112,910.46

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Solution

The fourth proportional to 208,403.58, 287,598.03 and 112,910.46 is: 155,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,403.58 : 287,598.03 = 112,910.46 : x
  2. Step 2: Convert to fraction form
    208,403.58/287,598.03 = 112,910.46/x
  3. Step 3: Cross multiply
    208,403.58x = 287,598.03 × 112,910.46
  4. Step 4: Simplify right side
    208,403.58x = 32,472,825,862.39
  5. Step 5: Solve for x
    x = 32,472,825,862.39/208,403.58
  6. Step 6: Final answer
    x = 155,817.03

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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.