Finding the Fourth Proportional to 758,097.42, 1,137,141.50 and 189,475.68
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Solution
The fourth proportional to 758,097.42, 1,137,141.50 and 189,475.68 is: 284,212.36
Step by Step Solution
- Step 1: Write the proportion equation
758,097.42 : 1,137,141.50 = 189,475.68 : x - Step 2: Convert to fraction form
758,097.42/1,137,141.50 = 189,475.68/x - Step 3: Cross multiply
758,097.42x = 1,137,141.50 × 189,475.68 - Step 4: Simplify right side
758,097.42x = 215,460,658,968.72 - Step 5: Solve for x
x = 215,460,658,968.72/758,097.42 - Step 6: Final answer
x = 284,212.36
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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.