Finding the Fourth Proportional to 223,169.87, 307,973.48 and 121,194.63
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Solution
The fourth proportional to 223,169.87, 307,973.48 and 121,194.63 is: 167,248.07
Step by Step Solution
- Step 1: Write the proportion equation
223,169.87 : 307,973.48 = 121,194.63 : x - Step 2: Convert to fraction form
223,169.87/307,973.48 = 121,194.63/x - Step 3: Cross multiply
223,169.87x = 307,973.48 × 121,194.63 - Step 4: Simplify right side
223,169.87x = 37,324,731,352.44 - Step 5: Solve for x
x = 37,324,731,352.44/223,169.87 - Step 6: Final answer
x = 167,248.07
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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.