Home / 414,388.85-621,521.69-114,838.19

Finding the Fourth Proportional to 414,388.85, 621,521.69 and 114,838.19

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Solution

The fourth proportional to 414,388.85, 621,521.69 and 114,838.19 is: 172,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,388.85 : 621,521.69 = 114,838.19 : x
  2. Step 2: Convert to fraction form
    414,388.85/621,521.69 = 114,838.19/x
  3. Step 3: Cross multiply
    414,388.85x = 621,521.69 × 114,838.19
  4. Step 4: Simplify right side
    414,388.85x = 71,374,425,925.34
  5. Step 5: Solve for x
    x = 71,374,425,925.34/414,388.85
  6. Step 6: Final answer
    x = 172,240.22

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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.