Finding the Fourth Proportional to 161,804.70, 242,620.65 and 68,204.70
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Solution
The fourth proportional to 161,804.70, 242,620.65 and 68,204.70 is: 102,270.63
Step by Step Solution
- Step 1: Write the proportion equation
161,804.70 : 242,620.65 = 68,204.70 : x - Step 2: Convert to fraction form
161,804.70/242,620.65 = 68,204.70/x - Step 3: Cross multiply
161,804.70x = 242,620.65 × 68,204.70 - Step 4: Simplify right side
161,804.70x = 16,547,868,647.06 - Step 5: Solve for x
x = 16,547,868,647.06/161,804.70 - Step 6: Final answer
x = 102,270.63
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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.