Home / 305,597.03-421,703.96-169,624.49

Finding the Fourth Proportional to 305,597.03, 421,703.96 and 169,624.49

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Solution

The fourth proportional to 305,597.03, 421,703.96 and 169,624.49 is: 234,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,597.03 : 421,703.96 = 169,624.49 : x
  2. Step 2: Convert to fraction form
    305,597.03/421,703.96 = 169,624.49/x
  3. Step 3: Cross multiply
    305,597.03x = 421,703.96 × 169,624.49
  4. Step 4: Simplify right side
    305,597.03x = 71,531,316,189.34
  5. Step 5: Solve for x
    x = 71,531,316,189.34/305,597.03
  6. Step 6: Final answer
    x = 234,070.72

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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.