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Finding the Fourth Proportional to 340,456.67, 510,683.64 and 103,798.67

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Solution

The fourth proportional to 340,456.67, 510,683.64 and 103,798.67 is: 155,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,456.67 : 510,683.64 = 103,798.67 : x
  2. Step 2: Convert to fraction form
    340,456.67/510,683.64 = 103,798.67/x
  3. Step 3: Cross multiply
    340,456.67x = 510,683.64 × 103,798.67
  4. Step 4: Simplify right side
    340,456.67x = 53,008,279,680.10
  5. Step 5: Solve for x
    x = 53,008,279,680.10/340,456.67
  6. Step 6: Final answer
    x = 155,697.58

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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.