Finding the Fourth Proportional to 424,849.95, 637,274.93 and 158,631.26
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Solution
The fourth proportional to 424,849.95, 637,274.93 and 158,631.26 is: 237,946.88
Step by Step Solution
- Step 1: Write the proportion equation
424,849.95 : 637,274.93 = 158,631.26 : x - Step 2: Convert to fraction form
424,849.95/637,274.93 = 158,631.26/x - Step 3: Cross multiply
424,849.95x = 637,274.93 × 158,631.26 - Step 4: Simplify right side
424,849.95x = 101,091,721,132.78 - Step 5: Solve for x
x = 101,091,721,132.78/424,849.95 - Step 6: Final answer
x = 237,946.88
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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.