Finding the Fourth Proportional to 289,304.68, 434,026.29 and 120,731.23
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Solution
The fourth proportional to 289,304.68, 434,026.29 and 120,731.23 is: 181,125.75
Step by Step Solution
- Step 1: Write the proportion equation
289,304.68 : 434,026.29 = 120,731.23 : x - Step 2: Convert to fraction form
289,304.68/434,026.29 = 120,731.23/x - Step 3: Cross multiply
289,304.68x = 434,026.29 × 120,731.23 - Step 4: Simplify right side
289,304.68x = 52,400,527,844.04 - Step 5: Solve for x
x = 52,400,527,844.04/289,304.68 - Step 6: Final answer
x = 181,125.75
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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.