Finding the Fourth Proportional to 438,467.68, 605,136.48 and 364,749.92
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Solution
The fourth proportional to 438,467.68, 605,136.48 and 364,749.92 is: 503,397.38
Step by Step Solution
- Step 1: Write the proportion equation
438,467.68 : 605,136.48 = 364,749.92 : x - Step 2: Convert to fraction form
438,467.68/605,136.48 = 364,749.92/x - Step 3: Cross multiply
438,467.68x = 605,136.48 × 364,749.92 - Step 4: Simplify right side
438,467.68x = 220,723,482,669.08 - Step 5: Solve for x
x = 220,723,482,669.08/438,467.68 - Step 6: Final answer
x = 503,397.38
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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.