Finding the Fourth Proportional to 756,731.62, 1,135,064.62 and 188,100.69
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Solution
The fourth proportional to 756,731.62, 1,135,064.62 and 188,100.69 is: 282,142.88
Step by Step Solution
- Step 1: Write the proportion equation
756,731.62 : 1,135,064.62 = 188,100.69 : x - Step 2: Convert to fraction form
756,731.62/1,135,064.62 = 188,100.69/x - Step 3: Cross multiply
756,731.62x = 1,135,064.62 × 188,100.69 - Step 4: Simplify right side
756,731.62x = 213,506,438,216.59 - Step 5: Solve for x
x = 213,506,438,216.59/756,731.62 - Step 6: Final answer
x = 282,142.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.