Finding the Fourth Proportional to 671,566.70, 1,007,350.05 and 272,001.80
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Solution
The fourth proportional to 671,566.70, 1,007,350.05 and 272,001.80 is: 408,002.70
Step by Step Solution
- Step 1: Write the proportion equation
671,566.70 : 1,007,350.05 = 272,001.80 : x - Step 2: Convert to fraction form
671,566.70/1,007,350.05 = 272,001.80/x - Step 3: Cross multiply
671,566.70x = 1,007,350.05 × 272,001.80 - Step 4: Simplify right side
671,566.70x = 274,001,026,830.09 - Step 5: Solve for x
x = 274,001,026,830.09/671,566.70 - Step 6: Final answer
x = 408,002.70
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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.