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Finding the Fourth Proportional to 304,484.42, 420,175.58 and 168,505.65

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Solution

The fourth proportional to 304,484.42, 420,175.58 and 168,505.65 is: 232,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,484.42 : 420,175.58 = 168,505.65 : x
  2. Step 2: Convert to fraction form
    304,484.42/420,175.58 = 168,505.65/x
  3. Step 3: Cross multiply
    304,484.42x = 420,175.58 × 168,505.65
  4. Step 4: Simplify right side
    304,484.42x = 70,801,958,379.50
  5. Step 5: Solve for x
    x = 70,801,958,379.50/304,484.42
  6. Step 6: Final answer
    x = 232,530.65

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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.