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Finding the Fourth Proportional to 340,023.67, 510,017.04 and 103,347.90

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Solution

The fourth proportional to 340,023.67, 510,017.04 and 103,347.90 is: 155,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,023.67 : 510,017.04 = 103,347.90 : x
  2. Step 2: Convert to fraction form
    340,023.67/510,017.04 = 103,347.90/x
  3. Step 3: Cross multiply
    340,023.67x = 510,017.04 × 103,347.90
  4. Step 4: Simplify right side
    340,023.67x = 52,709,190,048.22
  5. Step 5: Solve for x
    x = 52,709,190,048.22/340,023.67
  6. Step 6: Final answer
    x = 155,016.24

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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.