Finding the Fourth Proportional to 747,316.10, 1,121,161.89 and 214,838.08
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Solution
The fourth proportional to 747,316.10, 1,121,161.89 and 214,838.08 is: 322,311.09
Step by Step Solution
- Step 1: Write the proportion equation
747,316.10 : 1,121,161.89 = 214,838.08 : x - Step 2: Convert to fraction form
747,316.10/1,121,161.89 = 214,838.08/x - Step 3: Cross multiply
747,316.10x = 1,121,161.89 × 214,838.08 - Step 4: Simplify right side
747,316.10x = 240,868,267,816.77 - Step 5: Solve for x
x = 240,868,267,816.77/747,316.10 - Step 6: Final answer
x = 322,311.09
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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.