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Finding the Fourth Proportional to 304,501.50, 420,212.90 and 168,544.82

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Solution

The fourth proportional to 304,501.50, 420,212.90 and 168,544.82 is: 232,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,501.50 : 420,212.90 = 168,544.82 : x
  2. Step 2: Convert to fraction form
    304,501.50/420,212.90 = 168,544.82/x
  3. Step 3: Cross multiply
    304,501.50x = 420,212.90 × 168,544.82
  4. Step 4: Simplify right side
    304,501.50x = 70,824,704,648.39
  5. Step 5: Solve for x
    x = 70,824,704,648.39/304,501.50
  6. Step 6: Final answer
    x = 232,592.30

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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.