Finding the Fourth Proportional to 348,135.17, 480,383.46 and 212,119.70
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Solution
The fourth proportional to 348,135.17, 480,383.46 and 212,119.70 is: 292,698.94
Step by Step Solution
- Step 1: Write the proportion equation
348,135.17 : 480,383.46 = 212,119.70 : x - Step 2: Convert to fraction form
348,135.17/480,383.46 = 212,119.70/x - Step 3: Cross multiply
348,135.17x = 480,383.46 × 212,119.70 - Step 4: Simplify right side
348,135.17x = 101,898,793,018.25 - Step 5: Solve for x
x = 101,898,793,018.25/348,135.17 - Step 6: Final answer
x = 292,698.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.