Home / 209,214.48-313,818.98-51,444.30

Finding the Fourth Proportional to 209,214.48, 313,818.98 and 51,444.30

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Solution

The fourth proportional to 209,214.48, 313,818.98 and 51,444.30 is: 77,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,214.48 : 313,818.98 = 51,444.30 : x
  2. Step 2: Convert to fraction form
    209,214.48/313,818.98 = 51,444.30/x
  3. Step 3: Cross multiply
    209,214.48x = 313,818.98 × 51,444.30
  4. Step 4: Simplify right side
    209,214.48x = 16,144,197,495.59
  5. Step 5: Solve for x
    x = 16,144,197,495.59/209,214.48
  6. Step 6: Final answer
    x = 77,165.78

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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.