Home / 208,264.25-312,397.40-50,492.70

Finding the Fourth Proportional to 208,264.25, 312,397.40 and 50,492.70

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Solution

The fourth proportional to 208,264.25, 312,397.40 and 50,492.70 is: 75,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,264.25 : 312,397.40 = 50,492.70 : x
  2. Step 2: Convert to fraction form
    208,264.25/312,397.40 = 50,492.70/x
  3. Step 3: Cross multiply
    208,264.25x = 312,397.40 × 50,492.70
  4. Step 4: Simplify right side
    208,264.25x = 15,773,787,946.52
  5. Step 5: Solve for x
    x = 15,773,787,946.52/208,264.25
  6. Step 6: Final answer
    x = 75,739.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.