Finding the Fourth Proportional to 718,157.98, 1,077,230.49 and 274,925.98
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Solution
The fourth proportional to 718,157.98, 1,077,230.49 and 274,925.98 is: 412,386.49
Step by Step Solution
- Step 1: Write the proportion equation
718,157.98 : 1,077,230.49 = 274,925.98 : x - Step 2: Convert to fraction form
718,157.98/1,077,230.49 = 274,925.98/x - Step 3: Cross multiply
718,157.98x = 1,077,230.49 × 274,925.98 - Step 4: Simplify right side
718,157.98x = 296,158,648,149.13 - Step 5: Solve for x
x = 296,158,648,149.13/718,157.98 - Step 6: Final answer
x = 412,386.49
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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.