Home / 230,941.60-346,412.40-220,055.20

Finding the Fourth Proportional to 230,941.60, 346,412.40 and 220,055.20

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Solution

The fourth proportional to 230,941.60, 346,412.40 and 220,055.20 is: 330,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,941.60 : 346,412.40 = 220,055.20 : x
  2. Step 2: Convert to fraction form
    230,941.60/346,412.40 = 220,055.20/x
  3. Step 3: Cross multiply
    230,941.60x = 346,412.40 × 220,055.20
  4. Step 4: Simplify right side
    230,941.60x = 76,229,849,964.48
  5. Step 5: Solve for x
    x = 76,229,849,964.48/230,941.60
  6. Step 6: Final answer
    x = 330,082.80

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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.