Finding the Fourth Proportional to 223,377.68, 308,263.58 and 121,403.14
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Solution
The fourth proportional to 223,377.68, 308,263.58 and 121,403.14 is: 167,537.63
Step by Step Solution
- Step 1: Write the proportion equation
223,377.68 : 308,263.58 = 121,403.14 : x - Step 2: Convert to fraction form
223,377.68/308,263.58 = 121,403.14/x - Step 3: Cross multiply
223,377.68x = 308,263.58 × 121,403.14 - Step 4: Simplify right side
223,377.68x = 37,424,166,559.64 - Step 5: Solve for x
x = 37,424,166,559.64/223,377.68 - Step 6: Final answer
x = 167,537.63
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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.