Home / 208,321.24-287,268.30-178,206.22

Finding the Fourth Proportional to 208,321.24, 287,268.30 and 178,206.22

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Solution

The fourth proportional to 208,321.24, 287,268.30 and 178,206.22 is: 245,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,321.24 : 287,268.30 = 178,206.22 : x
  2. Step 2: Convert to fraction form
    208,321.24/287,268.30 = 178,206.22/x
  3. Step 3: Cross multiply
    208,321.24x = 287,268.30 × 178,206.22
  4. Step 4: Simplify right side
    208,321.24x = 51,192,997,868.83
  5. Step 5: Solve for x
    x = 51,192,997,868.83/208,321.24
  6. Step 6: Final answer
    x = 245,740.65

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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.