Home / 210,830.20-316,391.10-151,708.30

Finding the Fourth Proportional to 210,830.20, 316,391.10 and 151,708.30

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Solution

The fourth proportional to 210,830.20, 316,391.10 and 151,708.30 is: 227,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,830.20 : 316,391.10 = 151,708.30 : x
  2. Step 2: Convert to fraction form
    210,830.20/316,391.10 = 151,708.30/x
  3. Step 3: Cross multiply
    210,830.20x = 316,391.10 × 151,708.30
  4. Step 4: Simplify right side
    210,830.20x = 47,999,155,916.13
  5. Step 5: Solve for x
    x = 47,999,155,916.13/210,830.20
  6. Step 6: Final answer
    x = 227,667.36

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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.