Finding the Fourth Proportional to 291,302.88, 437,124.16 and 122,812.88
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Solution
The fourth proportional to 291,302.88, 437,124.16 and 122,812.88 is: 184,290.92
Step by Step Solution
- Step 1: Write the proportion equation
291,302.88 : 437,124.16 = 122,812.88 : x - Step 2: Convert to fraction form
291,302.88/437,124.16 = 122,812.88/x - Step 3: Cross multiply
291,302.88x = 437,124.16 × 122,812.88 - Step 4: Simplify right side
291,302.88x = 53,684,477,007.18 - Step 5: Solve for x
x = 53,684,477,007.18/291,302.88 - Step 6: Final answer
x = 184,290.92
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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.