Finding the Fourth Proportional to 291,447.61, 437,230.36 and 122,968.30
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Solution
The fourth proportional to 291,447.61, 437,230.36 and 122,968.30 is: 184,477.32
Step by Step Solution
- Step 1: Write the proportion equation
291,447.61 : 437,230.36 = 122,968.30 : x - Step 2: Convert to fraction form
291,447.61/437,230.36 = 122,968.30/x - Step 3: Cross multiply
291,447.61x = 437,230.36 × 122,968.30 - Step 4: Simplify right side
291,447.61x = 53,765,474,077.59 - Step 5: Solve for x
x = 53,765,474,077.59/291,447.61 - Step 6: Final answer
x = 184,477.32
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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.