Finding the Fourth Proportional to 631,429.08, 947,136.42 and 182,135.13
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Solution
The fourth proportional to 631,429.08, 947,136.42 and 182,135.13 is: 273,200.62
Step by Step Solution
- Step 1: Write the proportion equation
631,429.08 : 947,136.42 = 182,135.13 : x - Step 2: Convert to fraction form
631,429.08/947,136.42 = 182,135.13/x - Step 3: Cross multiply
631,429.08x = 947,136.42 × 182,135.13 - Step 4: Simplify right side
631,429.08x = 172,506,814,984.44 - Step 5: Solve for x
x = 172,506,814,984.44/631,429.08 - Step 6: Final answer
x = 273,200.62
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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.