Finding the Fourth Proportional to 254,804.96, 351,637.70 and 140,088.44
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Solution
The fourth proportional to 254,804.96, 351,637.70 and 140,088.44 is: 193,325.82
Step by Step Solution
- Step 1: Write the proportion equation
254,804.96 : 351,637.70 = 140,088.44 : x - Step 2: Convert to fraction form
254,804.96/351,637.70 = 140,088.44/x - Step 3: Cross multiply
254,804.96x = 351,637.70 × 140,088.44 - Step 4: Simplify right side
254,804.96x = 49,260,376,838.19 - Step 5: Solve for x
x = 49,260,376,838.19/254,804.96 - Step 6: Final answer
x = 193,325.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.