Home / 230,719.40-346,079.10-141,684.20

Finding the Fourth Proportional to 230,719.40, 346,079.10 and 141,684.20

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Solution

The fourth proportional to 230,719.40, 346,079.10 and 141,684.20 is: 212,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,719.40 : 346,079.10 = 141,684.20 : x
  2. Step 2: Convert to fraction form
    230,719.40/346,079.10 = 141,684.20/x
  3. Step 3: Cross multiply
    230,719.40x = 346,079.10 × 141,684.20
  4. Step 4: Simplify right side
    230,719.40x = 49,033,940,420.22
  5. Step 5: Solve for x
    x = 49,033,940,420.22/230,719.40
  6. Step 6: Final answer
    x = 212,526.30

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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.