Finding the Fourth Proportional to 299,595.24, 449,268.12 and 121,981.68
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Solution
The fourth proportional to 299,595.24, 449,268.12 and 121,981.68 is: 182,921.73
Step by Step Solution
- Step 1: Write the proportion equation
299,595.24 : 449,268.12 = 121,981.68 : x - Step 2: Convert to fraction form
299,595.24/449,268.12 = 121,981.68/x - Step 3: Cross multiply
299,595.24x = 449,268.12 × 121,981.68 - Step 4: Simplify right side
299,595.24x = 54,802,480,048.04 - Step 5: Solve for x
x = 54,802,480,048.04/299,595.24 - Step 6: Final answer
x = 182,921.73
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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.