Home / 208,829.40-313,244.10-103,853.40

Finding the Fourth Proportional to 208,829.40, 313,244.10 and 103,853.40

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Solution

The fourth proportional to 208,829.40, 313,244.10 and 103,853.40 is: 155,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,829.40 : 313,244.10 = 103,853.40 : x
  2. Step 2: Convert to fraction form
    208,829.40/313,244.10 = 103,853.40/x
  3. Step 3: Cross multiply
    208,829.40x = 313,244.10 × 103,853.40
  4. Step 4: Simplify right side
    208,829.40x = 32,531,464,814.94
  5. Step 5: Solve for x
    x = 32,531,464,814.94/208,829.40
  6. Step 6: Final answer
    x = 155,780.10

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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.