Home / 383,873.14-529,914.79-247,973.34

Finding the Fourth Proportional to 383,873.14, 529,914.79 and 247,973.34

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Solution

The fourth proportional to 383,873.14, 529,914.79 and 247,973.34 is: 342,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,873.14 : 529,914.79 = 247,973.34 : x
  2. Step 2: Convert to fraction form
    383,873.14/529,914.79 = 247,973.34/x
  3. Step 3: Cross multiply
    383,873.14x = 529,914.79 × 247,973.34
  4. Step 4: Simplify right side
    383,873.14x = 131,404,737,742.13
  5. Step 5: Solve for x
    x = 131,404,737,742.13/383,873.14
  6. Step 6: Final answer
    x = 342,312.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.