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Finding the Fourth Proportional to 651,530.40, 977,344.20 and 230,751.60

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Solution

The fourth proportional to 651,530.40, 977,344.20 and 230,751.60 is: 346,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,530.40 : 977,344.20 = 230,751.60 : x
  2. Step 2: Convert to fraction form
    651,530.40/977,344.20 = 230,751.60/x
  3. Step 3: Cross multiply
    651,530.40x = 977,344.20 × 230,751.60
  4. Step 4: Simplify right side
    651,530.40x = 225,523,737,900.72
  5. Step 5: Solve for x
    x = 225,523,737,900.72/651,530.40
  6. Step 6: Final answer
    x = 346,144.61

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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.