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Finding the Fourth Proportional to 304,480.62, 420,170.34 and 168,501.84

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Solution

The fourth proportional to 304,480.62, 420,170.34 and 168,501.84 is: 232,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,480.62 : 420,170.34 = 168,501.84 : x
  2. Step 2: Convert to fraction form
    304,480.62/420,170.34 = 168,501.84/x
  3. Step 3: Cross multiply
    304,480.62x = 420,170.34 × 168,501.84
  4. Step 4: Simplify right side
    304,480.62x = 70,799,475,403.43
  5. Step 5: Solve for x
    x = 70,799,475,403.43/304,480.62
  6. Step 6: Final answer
    x = 232,525.39

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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.