Finding the Fourth Proportional to 215,640.78, 297,586.28 and 118,848.09
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Solution
The fourth proportional to 215,640.78, 297,586.28 and 118,848.09 is: 164,011.48
Step by Step Solution
- Step 1: Write the proportion equation
215,640.78 : 297,586.28 = 118,848.09 : x - Step 2: Convert to fraction form
215,640.78/297,586.28 = 118,848.09/x - Step 3: Cross multiply
215,640.78x = 297,586.28 × 118,848.09 - Step 4: Simplify right side
215,640.78x = 35,367,562,401.27 - Step 5: Solve for x
x = 35,367,562,401.27/215,640.78 - Step 6: Final answer
x = 164,011.48
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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.