Finding the Fourth Proportional to 320,166.63, 480,232.53 and 162,390.96
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Solution
The fourth proportional to 320,166.63, 480,232.53 and 162,390.96 is: 243,577.61
Step by Step Solution
- Step 1: Write the proportion equation
320,166.63 : 480,232.53 = 162,390.96 : x - Step 2: Convert to fraction form
320,166.63/480,232.53 = 162,390.96/x - Step 3: Cross multiply
320,166.63x = 480,232.53 × 162,390.96 - Step 4: Simplify right side
320,166.63x = 77,985,421,569.93 - Step 5: Solve for x
x = 77,985,421,569.93/320,166.63 - Step 6: Final answer
x = 243,577.61
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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.