Home / 277,310.25-382,688.28-149,985.81

Finding the Fourth Proportional to 277,310.25, 382,688.28 and 149,985.81

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Solution

The fourth proportional to 277,310.25, 382,688.28 and 149,985.81 is: 206,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,310.25 : 382,688.28 = 149,985.81 : x
  2. Step 2: Convert to fraction form
    277,310.25/382,688.28 = 149,985.81/x
  3. Step 3: Cross multiply
    277,310.25x = 382,688.28 × 149,985.81
  4. Step 4: Simplify right side
    277,310.25x = 57,397,811,653.31
  5. Step 5: Solve for x
    x = 57,397,811,653.31/277,310.25
  6. Step 6: Final answer
    x = 206,980.49

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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.