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Finding the Fourth Proportional to 304,814.20, 420,601.94 and 168,814.58

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Solution

The fourth proportional to 304,814.20, 420,601.94 and 168,814.58 is: 232,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,814.20 : 420,601.94 = 168,814.58 : x
  2. Step 2: Convert to fraction form
    304,814.20/420,601.94 = 168,814.58/x
  3. Step 3: Cross multiply
    304,814.20x = 420,601.94 × 168,814.58
  4. Step 4: Simplify right side
    304,814.20x = 71,003,739,848.29
  5. Step 5: Solve for x
    x = 71,003,739,848.29/304,814.20
  6. Step 6: Final answer
    x = 232,941.05

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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.