Home / 304,504.20-420,210.69-168,535.24

Finding the Fourth Proportional to 304,504.20, 420,210.69 and 168,535.24

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Solution

The fourth proportional to 304,504.20, 420,210.69 and 168,535.24 is: 232,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,504.20 : 420,210.69 = 168,535.24 : x
  2. Step 2: Convert to fraction form
    304,504.20/420,210.69 = 168,535.24/x
  3. Step 3: Cross multiply
    304,504.20x = 420,210.69 × 168,535.24
  4. Step 4: Simplify right side
    304,504.20x = 70,820,309,489.72
  5. Step 5: Solve for x
    x = 70,820,309,489.72/304,504.20
  6. Step 6: Final answer
    x = 232,575.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.