Finding the Fourth Proportional to 254,901.17, 351,772.64 and 140,188.68
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Solution
The fourth proportional to 254,901.17, 351,772.64 and 140,188.68 is: 193,465.35
Step by Step Solution
- Step 1: Write the proportion equation
254,901.17 : 351,772.64 = 140,188.68 : x - Step 2: Convert to fraction form
254,901.17/351,772.64 = 140,188.68/x - Step 3: Cross multiply
254,901.17x = 351,772.64 × 140,188.68 - Step 4: Simplify right side
254,901.17x = 49,314,542,412.19 - Step 5: Solve for x
x = 49,314,542,412.19/254,901.17 - Step 6: Final answer
x = 193,465.35
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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.