Home / 208,351.67-287,508.24-117,715.50

Finding the Fourth Proportional to 208,351.67, 287,508.24 and 117,715.50

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Solution

The fourth proportional to 208,351.67, 287,508.24 and 117,715.50 is: 162,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,351.67 : 287,508.24 = 117,715.50 : x
  2. Step 2: Convert to fraction form
    208,351.67/287,508.24 = 117,715.50/x
  3. Step 3: Cross multiply
    208,351.67x = 287,508.24 × 117,715.50
  4. Step 4: Simplify right side
    208,351.67x = 33,844,176,225.72
  5. Step 5: Solve for x
    x = 33,844,176,225.72/208,351.67
  6. Step 6: Final answer
    x = 162,437.75

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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.