Finding the Fourth Proportional to 671,557.50, 1,007,445.68 and 198,290.70
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Solution
The fourth proportional to 671,557.50, 1,007,445.68 and 198,290.70 is: 297,468.36
Step by Step Solution
- Step 1: Write the proportion equation
671,557.50 : 1,007,445.68 = 198,290.70 : x - Step 2: Convert to fraction form
671,557.50/1,007,445.68 = 198,290.70/x - Step 3: Cross multiply
671,557.50x = 1,007,445.68 × 198,290.70 - Step 4: Simplify right side
671,557.50x = 199,767,109,099.18 - Step 5: Solve for x
x = 199,767,109,099.18/671,557.50 - Step 6: Final answer
x = 297,468.36
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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.