Home / 338,145.12-506,777.04-188,379.36

Finding the Fourth Proportional to 338,145.12, 506,777.04 and 188,379.36

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Solution

The fourth proportional to 338,145.12, 506,777.04 and 188,379.36 is: 282,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,145.12 : 506,777.04 = 188,379.36 : x
  2. Step 2: Convert to fraction form
    338,145.12/506,777.04 = 188,379.36/x
  3. Step 3: Cross multiply
    338,145.12x = 506,777.04 × 188,379.36
  4. Step 4: Simplify right side
    338,145.12x = 95,466,334,457.89
  5. Step 5: Solve for x
    x = 95,466,334,457.89/338,145.12
  6. Step 6: Final answer
    x = 282,323.56

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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.