Home / 304,985.04-420,888.72-169,006.36

Finding the Fourth Proportional to 304,985.04, 420,888.72 and 169,006.36

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Solution

The fourth proportional to 304,985.04, 420,888.72 and 169,006.36 is: 233,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,985.04 : 420,888.72 = 169,006.36 : x
  2. Step 2: Convert to fraction form
    304,985.04/420,888.72 = 169,006.36/x
  3. Step 3: Cross multiply
    304,985.04x = 420,888.72 × 169,006.36
  4. Step 4: Simplify right side
    304,985.04x = 71,132,870,532.26
  5. Step 5: Solve for x
    x = 71,132,870,532.26/304,985.04
  6. Step 6: Final answer
    x = 233,233.97

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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.