Finding the Fourth Proportional to 292,065.16, 403,136.10 and 171,232.68
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Solution
The fourth proportional to 292,065.16, 403,136.10 and 171,232.68 is: 236,351.62
Step by Step Solution
- Step 1: Write the proportion equation
292,065.16 : 403,136.10 = 171,232.68 : x - Step 2: Convert to fraction form
292,065.16/403,136.10 = 171,232.68/x - Step 3: Cross multiply
292,065.16x = 403,136.10 × 171,232.68 - Step 4: Simplify right side
292,065.16x = 69,030,074,807.75 - Step 5: Solve for x
x = 69,030,074,807.75/292,065.16 - Step 6: Final answer
x = 236,351.62
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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.