Finding the Fourth Proportional to 291,296.88, 437,115.16 and 122,806.88
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Solution
The fourth proportional to 291,296.88, 437,115.16 and 122,806.88 is: 184,281.92
Step by Step Solution
- Step 1: Write the proportion equation
291,296.88 : 437,115.16 = 122,806.88 : x - Step 2: Convert to fraction form
291,296.88/437,115.16 = 122,806.88/x - Step 3: Cross multiply
291,296.88x = 437,115.16 × 122,806.88 - Step 4: Simplify right side
291,296.88x = 53,680,749,000.30 - Step 5: Solve for x
x = 53,680,749,000.30/291,296.88 - Step 6: Final answer
x = 184,281.92
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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.