Finding the Fourth Proportional to 314,136.97, 433,271.44 and 217,502.55
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Solution
The fourth proportional to 314,136.97, 433,271.44 and 217,502.55 is: 299,989.02
Step by Step Solution
- Step 1: Write the proportion equation
314,136.97 : 433,271.44 = 217,502.55 : x - Step 2: Convert to fraction form
314,136.97/433,271.44 = 217,502.55/x - Step 3: Cross multiply
314,136.97x = 433,271.44 × 217,502.55 - Step 4: Simplify right side
314,136.97x = 94,237,643,042.17 - Step 5: Solve for x
x = 94,237,643,042.17/314,136.97 - Step 6: Final answer
x = 299,989.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.