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Finding the Fourth Proportional to 304,452.42, 420,145.14 and 168,495.72

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Solution

The fourth proportional to 304,452.42, 420,145.14 and 168,495.72 is: 232,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,452.42 : 420,145.14 = 168,495.72 : x
  2. Step 2: Convert to fraction form
    304,452.42/420,145.14 = 168,495.72/x
  3. Step 3: Cross multiply
    304,452.42x = 420,145.14 × 168,495.72
  4. Step 4: Simplify right side
    304,452.42x = 70,792,657,868.80
  5. Step 5: Solve for x
    x = 70,792,657,868.80/304,452.42
  6. Step 6: Final answer
    x = 232,524.54

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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.