Finding the Fourth Proportional to 157,368.34, 236,122.29 and 82,470.70
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Solution
The fourth proportional to 157,368.34, 236,122.29 and 82,470.70 is: 123,742.62
Step by Step Solution
- Step 1: Write the proportion equation
157,368.34 : 236,122.29 = 82,470.70 : x - Step 2: Convert to fraction form
157,368.34/236,122.29 = 82,470.70/x - Step 3: Cross multiply
157,368.34x = 236,122.29 × 82,470.70 - Step 4: Simplify right side
157,368.34x = 19,473,170,172.96 - Step 5: Solve for x
x = 19,473,170,172.96/157,368.34 - Step 6: Final answer
x = 123,742.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.