Home / 340,022.60-509,256.30-173,616.20

Finding the Fourth Proportional to 340,022.60, 509,256.30 and 173,616.20

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Solution

The fourth proportional to 340,022.60, 509,256.30 and 173,616.20 is: 260,027.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,022.60 : 509,256.30 = 173,616.20 : x
  2. Step 2: Convert to fraction form
    340,022.60/509,256.30 = 173,616.20/x
  3. Step 3: Cross multiply
    340,022.60x = 509,256.30 × 173,616.20
  4. Step 4: Simplify right side
    340,022.60x = 88,415,143,632.06
  5. Step 5: Solve for x
    x = 88,415,143,632.06/340,022.60
  6. Step 6: Final answer
    x = 260,027.26

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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.