Finding the Fourth Proportional to 261,579.99, 392,646.46 and 121,473.75
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Solution
The fourth proportional to 261,579.99, 392,646.46 and 121,473.75 is: 182,339.02
Step by Step Solution
- Step 1: Write the proportion equation
261,579.99 : 392,646.46 = 121,473.75 : x - Step 2: Convert to fraction form
261,579.99/392,646.46 = 121,473.75/x - Step 3: Cross multiply
261,579.99x = 392,646.46 × 121,473.75 - Step 4: Simplify right side
261,579.99x = 47,696,237,920.43 - Step 5: Solve for x
x = 47,696,237,920.43/261,579.99 - Step 6: Final answer
x = 182,339.02
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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.