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Finding the Fourth Proportional to 572,080.68, 858,397.50 and 235,369.80

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Solution

The fourth proportional to 572,080.68, 858,397.50 and 235,369.80 is: 353,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,080.68 : 858,397.50 = 235,369.80 : x
  2. Step 2: Convert to fraction form
    572,080.68/858,397.50 = 235,369.80/x
  3. Step 3: Cross multiply
    572,080.68x = 858,397.50 × 235,369.80
  4. Step 4: Simplify right side
    572,080.68x = 202,040,847,895.50
  5. Step 5: Solve for x
    x = 202,040,847,895.50/572,080.68
  6. Step 6: Final answer
    x = 353,168.45

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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.