Home / 304,680.35-420,453.72-168,711.38

Finding the Fourth Proportional to 304,680.35, 420,453.72 and 168,711.38

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Solution

The fourth proportional to 304,680.35, 420,453.72 and 168,711.38 is: 232,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,680.35 : 420,453.72 = 168,711.38 : x
  2. Step 2: Convert to fraction form
    304,680.35/420,453.72 = 168,711.38/x
  3. Step 3: Cross multiply
    304,680.35x = 420,453.72 × 168,711.38
  4. Step 4: Simplify right side
    304,680.35x = 70,935,326,801.77
  5. Step 5: Solve for x
    x = 70,935,326,801.77/304,680.35
  6. Step 6: Final answer
    x = 232,818.84

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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.