Home / 230,975.80-346,463.70-218,145.40

Finding the Fourth Proportional to 230,975.80, 346,463.70 and 218,145.40

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Solution

The fourth proportional to 230,975.80, 346,463.70 and 218,145.40 is: 327,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,975.80 : 346,463.70 = 218,145.40 : x
  2. Step 2: Convert to fraction form
    230,975.80/346,463.70 = 218,145.40/x
  3. Step 3: Cross multiply
    230,975.80x = 346,463.70 × 218,145.40
  4. Step 4: Simplify right side
    230,975.80x = 75,579,462,421.98
  5. Step 5: Solve for x
    x = 75,579,462,421.98/230,975.80
  6. Step 6: Final answer
    x = 327,218.10

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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.