Finding the Fourth Proportional to 242,684.70, 364,027.05 and 84,929.10
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Solution
The fourth proportional to 242,684.70, 364,027.05 and 84,929.10 is: 127,393.65
Step by Step Solution
- Step 1: Write the proportion equation
242,684.70 : 364,027.05 = 84,929.10 : x - Step 2: Convert to fraction form
242,684.70/364,027.05 = 84,929.10/x - Step 3: Cross multiply
242,684.70x = 364,027.05 × 84,929.10 - Step 4: Simplify right side
242,684.70x = 30,916,489,732.16 - Step 5: Solve for x
x = 30,916,489,732.16/242,684.70 - Step 6: Final answer
x = 127,393.65
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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.