Home / 304,984.09-420,907.35-169,047.46

Finding the Fourth Proportional to 304,984.09, 420,907.35 and 169,047.46

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Solution

The fourth proportional to 304,984.09, 420,907.35 and 169,047.46 is: 233,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,984.09 : 420,907.35 = 169,047.46 : x
  2. Step 2: Convert to fraction form
    304,984.09/420,907.35 = 169,047.46/x
  3. Step 3: Cross multiply
    304,984.09x = 420,907.35 × 169,047.46
  4. Step 4: Simplify right side
    304,984.09x = 71,153,318,412.83
  5. Step 5: Solve for x
    x = 71,153,318,412.83/304,984.09
  6. Step 6: Final answer
    x = 233,301.74

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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.