Home / 340,226.60-510,534.30-130,015.40

Finding the Fourth Proportional to 340,226.60, 510,534.30 and 130,015.40

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Solution

The fourth proportional to 340,226.60, 510,534.30 and 130,015.40 is: 195,097.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,226.60 : 510,534.30 = 130,015.40 : x
  2. Step 2: Convert to fraction form
    340,226.60/510,534.30 = 130,015.40/x
  3. Step 3: Cross multiply
    340,226.60x = 510,534.30 × 130,015.40
  4. Step 4: Simplify right side
    340,226.60x = 66,377,321,228.22
  5. Step 5: Solve for x
    x = 66,377,321,228.22/340,226.60
  6. Step 6: Final answer
    x = 195,097.39

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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.