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Finding the Fourth Proportional to 540,020.84, 810,145.80 and 184,939.52

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Solution

The fourth proportional to 540,020.84, 810,145.80 and 184,939.52 is: 277,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,020.84 : 810,145.80 = 184,939.52 : x
  2. Step 2: Convert to fraction form
    540,020.84/810,145.80 = 184,939.52/x
  3. Step 3: Cross multiply
    540,020.84x = 810,145.80 × 184,939.52
  4. Step 4: Simplify right side
    540,020.84x = 149,827,975,382.02
  5. Step 5: Solve for x
    x = 149,827,975,382.02/540,020.84
  6. Step 6: Final answer
    x = 277,448.51

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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.