Finding the Fourth Proportional to 215,640.95, 297,586.52 and 118,848.26
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Solution
The fourth proportional to 215,640.95, 297,586.52 and 118,848.26 is: 164,011.70
Step by Step Solution
- Step 1: Write the proportion equation
215,640.95 : 297,586.52 = 118,848.26 : x - Step 2: Convert to fraction form
215,640.95/297,586.52 = 118,848.26/x - Step 3: Cross multiply
215,640.95x = 297,586.52 × 118,848.26 - Step 4: Simplify right side
215,640.95x = 35,367,638,019.28 - Step 5: Solve for x
x = 35,367,638,019.28/215,640.95 - Step 6: Final answer
x = 164,011.70
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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.