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Finding the Fourth Proportional to 542,840.88, 814,002.48 and 243,323.94

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Solution

The fourth proportional to 542,840.88, 814,002.48 and 243,323.94 is: 364,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,840.88 : 814,002.48 = 243,323.94 : x
  2. Step 2: Convert to fraction form
    542,840.88/814,002.48 = 243,323.94/x
  3. Step 3: Cross multiply
    542,840.88x = 814,002.48 × 243,323.94
  4. Step 4: Simplify right side
    542,840.88x = 198,066,290,603.37
  5. Step 5: Solve for x
    x = 198,066,290,603.37/542,840.88
  6. Step 6: Final answer
    x = 364,869.89

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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.