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Finding the Fourth Proportional to 304,495.98, 420,201.33 and 168,530.19

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Solution

The fourth proportional to 304,495.98, 420,201.33 and 168,530.19 is: 232,569.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,495.98 : 420,201.33 = 168,530.19 : x
  2. Step 2: Convert to fraction form
    304,495.98/420,201.33 = 168,530.19/x
  3. Step 3: Cross multiply
    304,495.98x = 420,201.33 × 168,530.19
  4. Step 4: Simplify right side
    304,495.98x = 70,816,609,983.15
  5. Step 5: Solve for x
    x = 70,816,609,983.15/304,495.98
  6. Step 6: Final answer
    x = 232,569.93

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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.