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Finding the Fourth Proportional to 304,514.60, 420,226.64 and 168,548.80

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Solution

The fourth proportional to 304,514.60, 420,226.64 and 168,548.80 is: 232,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,514.60 : 420,226.64 = 168,548.80 : x
  2. Step 2: Convert to fraction form
    304,514.60/420,226.64 = 168,548.80/x
  3. Step 3: Cross multiply
    304,514.60x = 420,226.64 × 168,548.80
  4. Step 4: Simplify right side
    304,514.60x = 70,828,695,900.03
  5. Step 5: Solve for x
    x = 70,828,695,900.03/304,514.60
  6. Step 6: Final answer
    x = 232,595.40

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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.