Home / 304,985.09-420,908.73-169,048.46

Finding the Fourth Proportional to 304,985.09, 420,908.73 and 169,048.46

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Solution

The fourth proportional to 304,985.09, 420,908.73 and 169,048.46 is: 233,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,985.09 : 420,908.73 = 169,048.46 : x
  2. Step 2: Convert to fraction form
    304,985.09/420,908.73 = 169,048.46/x
  3. Step 3: Cross multiply
    304,985.09x = 420,908.73 × 169,048.46
  4. Step 4: Simplify right side
    304,985.09x = 71,153,972,607.06
  5. Step 5: Solve for x
    x = 71,153,972,607.06/304,985.09
  6. Step 6: Final answer
    x = 233,303.12

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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.