Finding the Fourth Proportional to 289,159.52, 433,428.99 and 120,552.75
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Solution
The fourth proportional to 289,159.52, 433,428.99 and 120,552.75 is: 180,699.77
Step by Step Solution
- Step 1: Write the proportion equation
289,159.52 : 433,428.99 = 120,552.75 : x - Step 2: Convert to fraction form
289,159.52/433,428.99 = 120,552.75/x - Step 3: Cross multiply
289,159.52x = 433,428.99 × 120,552.75 - Step 4: Simplify right side
289,159.52x = 52,251,056,674.22 - Step 5: Solve for x
x = 52,251,056,674.22/289,159.52 - Step 6: Final answer
x = 180,699.77
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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.