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Finding the Fourth Proportional to 540,849.86, 810,032.64 and 270,147.10

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Solution

The fourth proportional to 540,849.86, 810,032.64 and 270,147.10 is: 404,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,849.86 : 810,032.64 = 270,147.10 : x
  2. Step 2: Convert to fraction form
    540,849.86/810,032.64 = 270,147.10/x
  3. Step 3: Cross multiply
    540,849.86x = 810,032.64 × 270,147.10
  4. Step 4: Simplify right side
    540,849.86x = 218,827,968,601.34
  5. Step 5: Solve for x
    x = 218,827,968,601.34/540,849.86
  6. Step 6: Final answer
    x = 404,600.21

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1.5x scale

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.