Finding the Fourth Proportional to 355,809.41, 534,029.86 and 166,372.84
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Solution
The fourth proportional to 355,809.41, 534,029.86 and 166,372.84 is: 249,706.89
Step by Step Solution
- Step 1: Write the proportion equation
355,809.41 : 534,029.86 = 166,372.84 : x - Step 2: Convert to fraction form
355,809.41/534,029.86 = 166,372.84/x - Step 3: Cross multiply
355,809.41x = 534,029.86 × 166,372.84 - Step 4: Simplify right side
355,809.41x = 88,848,062,324.59 - Step 5: Solve for x
x = 88,848,062,324.59/355,809.41 - Step 6: Final answer
x = 249,706.89
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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.