Home / 293,241.86-438,043.32-212,639.97

Finding the Fourth Proportional to 293,241.86, 438,043.32 and 212,639.97

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Solution

The fourth proportional to 293,241.86, 438,043.32 and 212,639.97 is: 317,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,241.86 : 438,043.32 = 212,639.97 : x
  2. Step 2: Convert to fraction form
    293,241.86/438,043.32 = 212,639.97/x
  3. Step 3: Cross multiply
    293,241.86x = 438,043.32 × 212,639.97
  4. Step 4: Simplify right side
    293,241.86x = 93,145,518,423.50
  5. Step 5: Solve for x
    x = 93,145,518,423.50/293,241.86
  6. Step 6: Final answer
    x = 317,640.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.