Home / 387,313.20-579,892.28-197,364.06

Finding the Fourth Proportional to 387,313.20, 579,892.28 and 197,364.06

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Solution

The fourth proportional to 387,313.20, 579,892.28 and 197,364.06 is: 295,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,313.20 : 579,892.28 = 197,364.06 : x
  2. Step 2: Convert to fraction form
    387,313.20/579,892.28 = 197,364.06/x
  3. Step 3: Cross multiply
    387,313.20x = 579,892.28 × 197,364.06
  4. Step 4: Simplify right side
    387,313.20x = 114,449,893,756.64
  5. Step 5: Solve for x
    x = 114,449,893,756.64/387,313.20
  6. Step 6: Final answer
    x = 295,497.01

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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.