Home / 210,829.20-316,389.60-151,707.30

Finding the Fourth Proportional to 210,829.20, 316,389.60 and 151,707.30

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Solution

The fourth proportional to 210,829.20, 316,389.60 and 151,707.30 is: 227,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,829.20 : 316,389.60 = 151,707.30 : x
  2. Step 2: Convert to fraction form
    210,829.20/316,389.60 = 151,707.30/x
  3. Step 3: Cross multiply
    210,829.20x = 316,389.60 × 151,707.30
  4. Step 4: Simplify right side
    210,829.20x = 47,998,611,964.08
  5. Step 5: Solve for x
    x = 47,998,611,964.08/210,829.20
  6. Step 6: Final answer
    x = 227,665.86

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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.