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Finding the Fourth Proportional to 304,477.79, 420,176.24 and 168,512.00

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Solution

The fourth proportional to 304,477.79, 420,176.24 and 168,512.00 is: 232,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,477.79 : 420,176.24 = 168,512.00 : x
  2. Step 2: Convert to fraction form
    304,477.79/420,176.24 = 168,512.00/x
  3. Step 3: Cross multiply
    304,477.79x = 420,176.24 × 168,512.00
  4. Step 4: Simplify right side
    304,477.79x = 70,804,735,611.44
  5. Step 5: Solve for x
    x = 70,804,735,611.44/304,477.79
  6. Step 6: Final answer
    x = 232,544.83

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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.