Finding the Fourth Proportional to 242,900.16, 363,862.29 and 120,953.31
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Solution
The fourth proportional to 242,900.16, 363,862.29 and 120,953.31 is: 181,186.99
Step by Step Solution
- Step 1: Write the proportion equation
242,900.16 : 363,862.29 = 120,953.31 : x - Step 2: Convert to fraction form
242,900.16/363,862.29 = 120,953.31/x - Step 3: Cross multiply
242,900.16x = 363,862.29 × 120,953.31 - Step 4: Simplify right side
242,900.16x = 44,010,348,359.68 - Step 5: Solve for x
x = 44,010,348,359.68/242,900.16 - Step 6: Final answer
x = 181,186.99
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1.5x scale
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.