Finding the Fourth Proportional to 292,369.26, 403,465.23 and 163,309.53
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Solution
The fourth proportional to 292,369.26, 403,465.23 and 163,309.53 is: 225,364.72
Step by Step Solution
- Step 1: Write the proportion equation
292,369.26 : 403,465.23 = 163,309.53 : x - Step 2: Convert to fraction form
292,369.26/403,465.23 = 163,309.53/x - Step 3: Cross multiply
292,369.26x = 403,465.23 × 163,309.53 - Step 4: Simplify right side
292,369.26x = 65,889,717,082.64 - Step 5: Solve for x
x = 65,889,717,082.64/292,369.26 - Step 6: Final answer
x = 225,364.72
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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.