Home / 367,450.09-551,032.98-142,780.94

Finding the Fourth Proportional to 367,450.09, 551,032.98 and 142,780.94

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Solution

The fourth proportional to 367,450.09, 551,032.98 and 142,780.94 is: 214,116.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,450.09 : 551,032.98 = 142,780.94 : x
  2. Step 2: Convert to fraction form
    367,450.09/551,032.98 = 142,780.94/x
  3. Step 3: Cross multiply
    367,450.09x = 551,032.98 × 142,780.94
  4. Step 4: Simplify right side
    367,450.09x = 78,677,008,730.74
  5. Step 5: Solve for x
    x = 78,677,008,730.74/367,450.09
  6. Step 6: Final answer
    x = 214,116.18

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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.