Home / 208,319.95-287,480.10-112,824.46

Finding the Fourth Proportional to 208,319.95, 287,480.10 and 112,824.46

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Solution

The fourth proportional to 208,319.95, 287,480.10 and 112,824.46 is: 155,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,319.95 : 287,480.10 = 112,824.46 : x
  2. Step 2: Convert to fraction form
    208,319.95/287,480.10 = 112,824.46/x
  3. Step 3: Cross multiply
    208,319.95x = 287,480.10 × 112,824.46
  4. Step 4: Simplify right side
    208,319.95x = 32,434,787,043.25
  5. Step 5: Solve for x
    x = 32,434,787,043.25/208,319.95
  6. Step 6: Final answer
    x = 155,696.98

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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.