Finding the Fourth Proportional to 251,912.08, 347,625.84 and 138,712.96
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Solution
The fourth proportional to 251,912.08, 347,625.84 and 138,712.96 is: 191,416.82
Step by Step Solution
- Step 1: Write the proportion equation
251,912.08 : 347,625.84 = 138,712.96 : x - Step 2: Convert to fraction form
251,912.08/347,625.84 = 138,712.96/x - Step 3: Cross multiply
251,912.08x = 347,625.84 × 138,712.96 - Step 4: Simplify right side
251,912.08x = 48,220,209,238.89 - Step 5: Solve for x
x = 48,220,209,238.89/251,912.08 - Step 6: Final answer
x = 191,416.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.