Home / 266,709.12-368,064.98-151,985.31

Finding the Fourth Proportional to 266,709.12, 368,064.98 and 151,985.31

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Solution

The fourth proportional to 266,709.12, 368,064.98 and 151,985.31 is: 209,743.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,709.12 : 368,064.98 = 151,985.31 : x
  2. Step 2: Convert to fraction form
    266,709.12/368,064.98 = 151,985.31/x
  3. Step 3: Cross multiply
    266,709.12x = 368,064.98 × 151,985.31
  4. Step 4: Simplify right side
    266,709.12x = 55,940,470,085.44
  5. Step 5: Solve for x
    x = 55,940,470,085.44/266,709.12
  6. Step 6: Final answer
    x = 209,743.37

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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.