Finding the Fourth Proportional to 368,445.80, 552,377.10 and 202,233.80
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Solution
The fourth proportional to 368,445.80, 552,377.10 and 202,233.80 is: 303,190.65
Step by Step Solution
- Step 1: Write the proportion equation
368,445.80 : 552,377.10 = 202,233.80 : x - Step 2: Convert to fraction form
368,445.80/552,377.10 = 202,233.80/x - Step 3: Cross multiply
368,445.80x = 552,377.10 × 202,233.80 - Step 4: Simplify right side
368,445.80x = 111,709,319,965.98 - Step 5: Solve for x
x = 111,709,319,965.98/368,445.80 - Step 6: Final answer
x = 303,190.65
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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.