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Finding the Fourth Proportional to 340,610.40, 510,915.60 and 302,556.60

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Solution

The fourth proportional to 340,610.40, 510,915.60 and 302,556.60 is: 453,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,610.40 : 510,915.60 = 302,556.60 : x
  2. Step 2: Convert to fraction form
    340,610.40/510,915.60 = 302,556.60/x
  3. Step 3: Cross multiply
    340,610.40x = 510,915.60 × 302,556.60
  4. Step 4: Simplify right side
    340,610.40x = 154,580,886,822.96
  5. Step 5: Solve for x
    x = 154,580,886,822.96/340,610.40
  6. Step 6: Final answer
    x = 453,834.90

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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.