Home / 208,371.28-287,552.01-112,880.38

Finding the Fourth Proportional to 208,371.28, 287,552.01 and 112,880.38

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Solution

The fourth proportional to 208,371.28, 287,552.01 and 112,880.38 is: 155,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,371.28 : 287,552.01 = 112,880.38 : x
  2. Step 2: Convert to fraction form
    208,371.28/287,552.01 = 112,880.38/x
  3. Step 3: Cross multiply
    208,371.28x = 287,552.01 × 112,880.38
  4. Step 4: Simplify right side
    208,371.28x = 32,458,980,158.56
  5. Step 5: Solve for x
    x = 32,458,980,158.56/208,371.28
  6. Step 6: Final answer
    x = 155,774.73

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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.