Finding the Fourth Proportional to 346,539.68, 478,232.52 and 203,402.96
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Solution
The fourth proportional to 346,539.68, 478,232.52 and 203,402.96 is: 280,700.64
Step by Step Solution
- Step 1: Write the proportion equation
346,539.68 : 478,232.52 = 203,402.96 : x - Step 2: Convert to fraction form
346,539.68/478,232.52 = 203,402.96/x - Step 3: Cross multiply
346,539.68x = 478,232.52 × 203,402.96 - Step 4: Simplify right side
346,539.68x = 97,273,910,136.26 - Step 5: Solve for x
x = 97,273,910,136.26/346,539.68 - Step 6: Final answer
x = 280,700.64
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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.