Finding the Fourth Proportional to 509,121.68, 763,720.79 and 154,164.29
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Solution
The fourth proportional to 509,121.68, 763,720.79 and 154,164.29 is: 231,258.02
Step by Step Solution
- Step 1: Write the proportion equation
509,121.68 : 763,720.79 = 154,164.29 : x - Step 2: Convert to fraction form
509,121.68/763,720.79 = 154,164.29/x - Step 3: Cross multiply
509,121.68x = 763,720.79 × 154,164.29 - Step 4: Simplify right side
509,121.68x = 117,738,468,759.16 - Step 5: Solve for x
x = 117,738,468,759.16/509,121.68 - Step 6: Final answer
x = 231,258.02
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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.