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Finding the Fourth Proportional to 304,559.34, 420,483.10 and 195,712.35

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Solution

The fourth proportional to 304,559.34, 420,483.10 and 195,712.35 is: 270,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,559.34 : 420,483.10 = 195,712.35 : x
  2. Step 2: Convert to fraction form
    304,559.34/420,483.10 = 195,712.35/x
  3. Step 3: Cross multiply
    304,559.34x = 420,483.10 × 195,712.35
  4. Step 4: Simplify right side
    304,559.34x = 82,293,736,302.37
  5. Step 5: Solve for x
    x = 82,293,736,302.37/304,559.34
  6. Step 6: Final answer
    x = 270,205.92

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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.