Home / 368,182.67-551,388.26-209,931.35

Finding the Fourth Proportional to 368,182.67, 551,388.26 and 209,931.35

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Solution

The fourth proportional to 368,182.67, 551,388.26 and 209,931.35 is: 314,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,182.67 : 551,388.26 = 209,931.35 : x
  2. Step 2: Convert to fraction form
    368,182.67/551,388.26 = 209,931.35/x
  3. Step 3: Cross multiply
    368,182.67x = 551,388.26 × 209,931.35
  4. Step 4: Simplify right side
    368,182.67x = 115,753,677,989.35
  5. Step 5: Solve for x
    x = 115,753,677,989.35/368,182.67
  6. Step 6: Final answer
    x = 314,391.98

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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.