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Finding the Fourth Proportional to 208,860.48, 313,398.72 and 103,677.12

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Solution

The fourth proportional to 208,860.48, 313,398.72 and 103,677.12 is: 155,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,860.48 : 313,398.72 = 103,677.12 : x
  2. Step 2: Convert to fraction form
    208,860.48/313,398.72 = 103,677.12/x
  3. Step 3: Cross multiply
    208,860.48x = 313,398.72 × 103,677.12
  4. Step 4: Simplify right side
    208,860.48x = 32,492,276,701.29
  5. Step 5: Solve for x
    x = 32,492,276,701.29/208,860.48
  6. Step 6: Final answer
    x = 155,569.29

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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.