Finding the Fourth Proportional to 254,533.48, 351,431.94 and 159,083.08
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Solution
The fourth proportional to 254,533.48, 351,431.94 and 159,083.08 is: 219,644.49
Step by Step Solution
- Step 1: Write the proportion equation
254,533.48 : 351,431.94 = 159,083.08 : x - Step 2: Convert to fraction form
254,533.48/351,431.94 = 159,083.08/x - Step 3: Cross multiply
254,533.48x = 351,431.94 × 159,083.08 - Step 4: Simplify right side
254,533.48x = 55,906,875,425.58 - Step 5: Solve for x
x = 55,906,875,425.58/254,533.48 - Step 6: Final answer
x = 219,644.49
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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.