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Finding the Fourth Proportional to 304,513.82, 420,218.36 and 168,548.03

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Solution

The fourth proportional to 304,513.82, 420,218.36 and 168,548.03 is: 232,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,513.82 : 420,218.36 = 168,548.03 : x
  2. Step 2: Convert to fraction form
    304,513.82/420,218.36 = 168,548.03/x
  3. Step 3: Cross multiply
    304,513.82x = 420,218.36 × 168,548.03
  4. Step 4: Simplify right side
    304,513.82x = 70,826,977,587.69
  5. Step 5: Solve for x
    x = 70,826,977,587.69/304,513.82
  6. Step 6: Final answer
    x = 232,590.35

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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.