Home / 304,669.35-420,438.57-168,700.38

Finding the Fourth Proportional to 304,669.35, 420,438.57 and 168,700.38

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Solution

The fourth proportional to 304,669.35, 420,438.57 and 168,700.38 is: 232,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,669.35 : 420,438.57 = 168,700.38 : x
  2. Step 2: Convert to fraction form
    304,669.35/420,438.57 = 168,700.38/x
  3. Step 3: Cross multiply
    304,669.35x = 420,438.57 × 168,700.38
  4. Step 4: Simplify right side
    304,669.35x = 70,928,146,525.66
  5. Step 5: Solve for x
    x = 70,928,146,525.66/304,669.35
  6. Step 6: Final answer
    x = 232,803.68

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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.