Home / 304,945.18-420,818.05-168,977.93

Finding the Fourth Proportional to 304,945.18, 420,818.05 and 168,977.93

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Solution

The fourth proportional to 304,945.18, 420,818.05 and 168,977.93 is: 233,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,945.18 : 420,818.05 = 168,977.93 : x
  2. Step 2: Convert to fraction form
    304,945.18/420,818.05 = 168,977.93/x
  3. Step 3: Cross multiply
    304,945.18x = 420,818.05 × 168,977.93
  4. Step 4: Simplify right side
    304,945.18x = 71,108,962,995.64
  5. Step 5: Solve for x
    x = 71,108,962,995.64/304,945.18
  6. Step 6: Final answer
    x = 233,186.05

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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.