Home / 666,054.28-999,204.63-210,760.14

Finding the Fourth Proportional to 666,054.28, 999,204.63 and 210,760.14

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Solution

The fourth proportional to 666,054.28, 999,204.63 and 210,760.14 is: 316,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,054.28 : 999,204.63 = 210,760.14 : x
  2. Step 2: Convert to fraction form
    666,054.28/999,204.63 = 210,760.14/x
  3. Step 3: Cross multiply
    666,054.28x = 999,204.63 × 210,760.14
  4. Step 4: Simplify right side
    666,054.28x = 210,592,510,664.12
  5. Step 5: Solve for x
    x = 210,592,510,664.12/666,054.28
  6. Step 6: Final answer
    x = 316,179.20

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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.