Finding the Fourth Proportional to 671,557.12, 1,007,445.12 and 198,290.32
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Solution
The fourth proportional to 671,557.12, 1,007,445.12 and 198,290.32 is: 297,467.79
Step by Step Solution
- Step 1: Write the proportion equation
671,557.12 : 1,007,445.12 = 198,290.32 : x - Step 2: Convert to fraction form
671,557.12/1,007,445.12 = 198,290.32/x - Step 3: Cross multiply
671,557.12x = 1,007,445.12 × 198,290.32 - Step 4: Simplify right side
671,557.12x = 199,766,615,227.24 - Step 5: Solve for x
x = 199,766,615,227.24/671,557.12 - Step 6: Final answer
x = 297,467.79
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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.