Home / 304,943.18-420,815.30-168,975.93

Finding the Fourth Proportional to 304,943.18, 420,815.30 and 168,975.93

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Solution

The fourth proportional to 304,943.18, 420,815.30 and 168,975.93 is: 233,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,943.18 : 420,815.30 = 168,975.93 : x
  2. Step 2: Convert to fraction form
    304,943.18/420,815.30 = 168,975.93/x
  3. Step 3: Cross multiply
    304,943.18x = 420,815.30 × 168,975.93
  4. Step 4: Simplify right side
    304,943.18x = 71,107,655,830.85
  5. Step 5: Solve for x
    x = 71,107,655,830.85/304,943.18
  6. Step 6: Final answer
    x = 233,183.30

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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.