Finding the Fourth Proportional to 235,434.94, 353,374.35 and 85,819.84
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Solution
The fourth proportional to 235,434.94, 353,374.35 and 85,819.84 is: 128,810.66
Step by Step Solution
- Step 1: Write the proportion equation
235,434.94 : 353,374.35 = 85,819.84 : x - Step 2: Convert to fraction form
235,434.94/353,374.35 = 85,819.84/x - Step 3: Cross multiply
235,434.94x = 353,374.35 × 85,819.84 - Step 4: Simplify right side
235,434.94x = 30,326,530,177.10 - Step 5: Solve for x
x = 30,326,530,177.10/235,434.94 - Step 6: Final answer
x = 128,810.66
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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.