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Finding the Fourth Proportional to 572,766.48, 858,820.48 and 236,039.60

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Solution

The fourth proportional to 572,766.48, 858,820.48 and 236,039.60 is: 353,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,766.48 : 858,820.48 = 236,039.60 : x
  2. Step 2: Convert to fraction form
    572,766.48/858,820.48 = 236,039.60/x
  3. Step 3: Cross multiply
    572,766.48x = 858,820.48 × 236,039.60
  4. Step 4: Simplify right side
    572,766.48x = 202,715,642,571.01
  5. Step 5: Solve for x
    x = 202,715,642,571.01/572,766.48
  6. Step 6: Final answer
    x = 353,923.72

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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.