Finding the Fourth Proportional to 242,161.84, 363,239.11 and 108,948.02
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Solution
The fourth proportional to 242,161.84, 363,239.11 and 108,948.02 is: 163,420.39
Step by Step Solution
- Step 1: Write the proportion equation
242,161.84 : 363,239.11 = 108,948.02 : x - Step 2: Convert to fraction form
242,161.84/363,239.11 = 108,948.02/x - Step 3: Cross multiply
242,161.84x = 363,239.11 × 108,948.02 - Step 4: Simplify right side
242,161.84x = 39,574,181,821.06 - Step 5: Solve for x
x = 39,574,181,821.06/242,161.84 - Step 6: Final answer
x = 163,420.39
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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.