Finding the Fourth Proportional to 292,486.19, 438,438.62 and 203,552.84
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Solution
The fourth proportional to 292,486.19, 438,438.62 and 203,552.84 is: 305,126.99
Step by Step Solution
- Step 1: Write the proportion equation
292,486.19 : 438,438.62 = 203,552.84 : x - Step 2: Convert to fraction form
292,486.19/438,438.62 = 203,552.84/x - Step 3: Cross multiply
292,486.19x = 438,438.62 × 203,552.84 - Step 4: Simplify right side
292,486.19x = 89,245,427,871.66 - Step 5: Solve for x
x = 89,245,427,871.66/292,486.19 - Step 6: Final answer
x = 305,126.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.