Home / 230,849.40-346,274.10-213,742.20

Finding the Fourth Proportional to 230,849.40, 346,274.10 and 213,742.20

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Solution

The fourth proportional to 230,849.40, 346,274.10 and 213,742.20 is: 320,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,849.40 : 346,274.10 = 213,742.20 : x
  2. Step 2: Convert to fraction form
    230,849.40/346,274.10 = 213,742.20/x
  3. Step 3: Cross multiply
    230,849.40x = 346,274.10 × 213,742.20
  4. Step 4: Simplify right side
    230,849.40x = 74,013,387,937.02
  5. Step 5: Solve for x
    x = 74,013,387,937.02/230,849.40
  6. Step 6: Final answer
    x = 320,613.30

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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.