Home / 208,314.24-287,534.52-122,295.48

Finding the Fourth Proportional to 208,314.24, 287,534.52 and 122,295.48

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Solution

The fourth proportional to 208,314.24, 287,534.52 and 122,295.48 is: 168,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,314.24 : 287,534.52 = 122,295.48 : x
  2. Step 2: Convert to fraction form
    208,314.24/287,534.52 = 122,295.48/x
  3. Step 3: Cross multiply
    208,314.24x = 287,534.52 × 122,295.48
  4. Step 4: Simplify right side
    208,314.24x = 35,164,172,139.97
  5. Step 5: Solve for x
    x = 35,164,172,139.97/208,314.24
  6. Step 6: Final answer
    x = 168,803.50

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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.