Home / 208,277.46-287,433.36-122,240.17

Finding the Fourth Proportional to 208,277.46, 287,433.36 and 122,240.17

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Solution

The fourth proportional to 208,277.46, 287,433.36 and 122,240.17 is: 168,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,277.46 : 287,433.36 = 122,240.17 : x
  2. Step 2: Convert to fraction form
    208,277.46/287,433.36 = 122,240.17/x
  3. Step 3: Cross multiply
    208,277.46x = 287,433.36 × 122,240.17
  4. Step 4: Simplify right side
    208,277.46x = 35,135,903,149.36
  5. Step 5: Solve for x
    x = 35,135,903,149.36/208,277.46
  6. Step 6: Final answer
    x = 168,697.58

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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.