Home / 230,865.60-346,298.40-142,292.10

Finding the Fourth Proportional to 230,865.60, 346,298.40 and 142,292.10

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Solution

The fourth proportional to 230,865.60, 346,298.40 and 142,292.10 is: 213,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,865.60 : 346,298.40 = 142,292.10 : x
  2. Step 2: Convert to fraction form
    230,865.60/346,298.40 = 142,292.10/x
  3. Step 3: Cross multiply
    230,865.60x = 346,298.40 × 142,292.10
  4. Step 4: Simplify right side
    230,865.60x = 49,275,526,562.64
  5. Step 5: Solve for x
    x = 49,275,526,562.64/230,865.60
  6. Step 6: Final answer
    x = 213,438.15

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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.