Finding the Fourth Proportional to 157,006.21, 216,557.16 and 96,497.41
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Solution
The fourth proportional to 157,006.21, 216,557.16 and 96,497.41 is: 133,097.95
Step by Step Solution
- Step 1: Write the proportion equation
157,006.21 : 216,557.16 = 96,497.41 : x - Step 2: Convert to fraction form
157,006.21/216,557.16 = 96,497.41/x - Step 3: Cross multiply
157,006.21x = 216,557.16 × 96,497.41 - Step 4: Simplify right side
157,006.21x = 20,897,205,056.96 - Step 5: Solve for x
x = 20,897,205,056.96/157,006.21 - Step 6: Final answer
x = 133,097.95
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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.