Home / 272,612.16-376,178.40-201,030.72

Finding the Fourth Proportional to 272,612.16, 376,178.40 and 201,030.72

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Solution

The fourth proportional to 272,612.16, 376,178.40 and 201,030.72 is: 277,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,612.16 : 376,178.40 = 201,030.72 : x
  2. Step 2: Convert to fraction form
    272,612.16/376,178.40 = 201,030.72/x
  3. Step 3: Cross multiply
    272,612.16x = 376,178.40 × 201,030.72
  4. Step 4: Simplify right side
    272,612.16x = 75,623,414,600.45
  5. Step 5: Solve for x
    x = 75,623,414,600.45/272,612.16
  6. Step 6: Final answer
    x = 277,402.94

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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.