Finding the Fourth Proportional to 685,117.24, 1,027,602.05 and 179,728.88
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Solution
The fourth proportional to 685,117.24, 1,027,602.05 and 179,728.88 is: 269,573.95
Step by Step Solution
- Step 1: Write the proportion equation
685,117.24 : 1,027,602.05 = 179,728.88 : x - Step 2: Convert to fraction form
685,117.24/1,027,602.05 = 179,728.88/x - Step 3: Cross multiply
685,117.24x = 1,027,602.05 × 179,728.88 - Step 4: Simplify right side
685,117.24x = 184,689,759,495.55 - Step 5: Solve for x
x = 184,689,759,495.55/685,117.24 - Step 6: Final answer
x = 269,573.95
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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.