Home / 230,858.10-346,287.15-142,284.60

Finding the Fourth Proportional to 230,858.10, 346,287.15 and 142,284.60

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Solution

The fourth proportional to 230,858.10, 346,287.15 and 142,284.60 is: 213,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,858.10 : 346,287.15 = 142,284.60 : x
  2. Step 2: Convert to fraction form
    230,858.10/346,287.15 = 142,284.60/x
  3. Step 3: Cross multiply
    230,858.10x = 346,287.15 × 142,284.60
  4. Step 4: Simplify right side
    230,858.10x = 49,271,328,622.89
  5. Step 5: Solve for x
    x = 49,271,328,622.89/230,858.10
  6. Step 6: Final answer
    x = 213,426.90

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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.