Home / 370,974.80-556,462.20-231,006.80

Finding the Fourth Proportional to 370,974.80, 556,462.20 and 231,006.80

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Solution

The fourth proportional to 370,974.80, 556,462.20 and 231,006.80 is: 346,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,974.80 : 556,462.20 = 231,006.80 : x
  2. Step 2: Convert to fraction form
    370,974.80/556,462.20 = 231,006.80/x
  3. Step 3: Cross multiply
    370,974.80x = 556,462.20 × 231,006.80
  4. Step 4: Simplify right side
    370,974.80x = 128,546,552,142.96
  5. Step 5: Solve for x
    x = 128,546,552,142.96/370,974.80
  6. Step 6: Final answer
    x = 346,510.20

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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.