Finding the Fourth Proportional to 648,984.78, 973,569.42 and 199,743.09
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Solution
The fourth proportional to 648,984.78, 973,569.42 and 199,743.09 is: 299,643.03
Step by Step Solution
- Step 1: Write the proportion equation
648,984.78 : 973,569.42 = 199,743.09 : x - Step 2: Convert to fraction form
648,984.78/973,569.42 = 199,743.09/x - Step 3: Cross multiply
648,984.78x = 973,569.42 × 199,743.09 - Step 4: Simplify right side
648,984.78x = 194,463,764,280.31 - Step 5: Solve for x
x = 194,463,764,280.31/648,984.78 - Step 6: Final answer
x = 299,643.03
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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.