Home / 208,282.28-287,214.55-178,167.29

Finding the Fourth Proportional to 208,282.28, 287,214.55 and 178,167.29

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Solution

The fourth proportional to 208,282.28, 287,214.55 and 178,167.29 is: 245,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,282.28 : 287,214.55 = 178,167.29 : x
  2. Step 2: Convert to fraction form
    208,282.28/287,214.55 = 178,167.29/x
  3. Step 3: Cross multiply
    208,282.28x = 287,214.55 × 178,167.29
  4. Step 4: Simplify right side
    208,282.28x = 51,172,238,022.07
  5. Step 5: Solve for x
    x = 51,172,238,022.07/208,282.28
  6. Step 6: Final answer
    x = 245,686.95

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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.