Home / 208,864.35-313,298.19-59,109.51

Finding the Fourth Proportional to 208,864.35, 313,298.19 and 59,109.51

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Solution

The fourth proportional to 208,864.35, 313,298.19 and 59,109.51 is: 88,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,864.35 : 313,298.19 = 59,109.51 : x
  2. Step 2: Convert to fraction form
    208,864.35/313,298.19 = 59,109.51/x
  3. Step 3: Cross multiply
    208,864.35x = 313,298.19 × 59,109.51
  4. Step 4: Simplify right side
    208,864.35x = 18,518,902,494.79
  5. Step 5: Solve for x
    x = 18,518,902,494.79/208,864.35
  6. Step 6: Final answer
    x = 88,664.74

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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.