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Finding the Fourth Proportional to 304,429.02, 420,097.14 and 168,460.44

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Solution

The fourth proportional to 304,429.02, 420,097.14 and 168,460.44 is: 232,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,429.02 : 420,097.14 = 168,460.44 : x
  2. Step 2: Convert to fraction form
    304,429.02/420,097.14 = 168,460.44/x
  3. Step 3: Cross multiply
    304,429.02x = 420,097.14 × 168,460.44
  4. Step 4: Simplify right side
    304,429.02x = 70,769,749,047.14
  5. Step 5: Solve for x
    x = 70,769,749,047.14/304,429.02
  6. Step 6: Final answer
    x = 232,467.16

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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.