Home / 208,710.03-287,803.35-178,595.04

Finding the Fourth Proportional to 208,710.03, 287,803.35 and 178,595.04

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Solution

The fourth proportional to 208,710.03, 287,803.35 and 178,595.04 is: 246,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,710.03 : 287,803.35 = 178,595.04 : x
  2. Step 2: Convert to fraction form
    208,710.03/287,803.35 = 178,595.04/x
  3. Step 3: Cross multiply
    208,710.03x = 287,803.35 × 178,595.04
  4. Step 4: Simplify right side
    208,710.03x = 51,400,250,805.38
  5. Step 5: Solve for x
    x = 51,400,250,805.38/208,710.03
  6. Step 6: Final answer
    x = 246,275.90

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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.