Home / 304,219.80-457,107.30-270,005.40

Finding the Fourth Proportional to 304,219.80, 457,107.30 and 270,005.40

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Solution

The fourth proportional to 304,219.80, 457,107.30 and 270,005.40 is: 405,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,219.80 : 457,107.30 = 270,005.40 : x
  2. Step 2: Convert to fraction form
    304,219.80/457,107.30 = 270,005.40/x
  3. Step 3: Cross multiply
    304,219.80x = 457,107.30 × 270,005.40
  4. Step 4: Simplify right side
    304,219.80x = 123,421,439,379.42
  5. Step 5: Solve for x
    x = 123,421,439,379.42/304,219.80
  6. Step 6: Final answer
    x = 405,698.25

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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.