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Finding the Fourth Proportional to 340,027.98, 510,023.51 and 103,352.21

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Solution

The fourth proportional to 340,027.98, 510,023.51 and 103,352.21 is: 155,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,027.98 : 510,023.51 = 103,352.21 : x
  2. Step 2: Convert to fraction form
    340,027.98/510,023.51 = 103,352.21/x
  3. Step 3: Cross multiply
    340,027.98x = 510,023.51 × 103,352.21
  4. Step 4: Simplify right side
    340,027.98x = 52,712,053,843.58
  5. Step 5: Solve for x
    x = 52,712,053,843.58/340,027.98
  6. Step 6: Final answer
    x = 155,022.70

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1.5x scale

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.