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Finding the Fourth Proportional to 340,030.20, 510,045.30 and 118,414.20

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Solution

The fourth proportional to 340,030.20, 510,045.30 and 118,414.20 is: 177,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,030.20 : 510,045.30 = 118,414.20 : x
  2. Step 2: Convert to fraction form
    340,030.20/510,045.30 = 118,414.20/x
  3. Step 3: Cross multiply
    340,030.20x = 510,045.30 × 118,414.20
  4. Step 4: Simplify right side
    340,030.20x = 60,396,606,163.26
  5. Step 5: Solve for x
    x = 60,396,606,163.26/340,030.20
  6. Step 6: Final answer
    x = 177,621.30

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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.