Finding the Fourth Proportional to 235,432.94, 353,371.35 and 85,817.84
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Solution
The fourth proportional to 235,432.94, 353,371.35 and 85,817.84 is: 128,807.66
Step by Step Solution
- Step 1: Write the proportion equation
235,432.94 : 353,371.35 = 85,817.84 : x - Step 2: Convert to fraction form
235,432.94/353,371.35 = 85,817.84/x - Step 3: Cross multiply
235,432.94x = 353,371.35 × 85,817.84 - Step 4: Simplify right side
235,432.94x = 30,325,565,974.88 - Step 5: Solve for x
x = 30,325,565,974.88/235,432.94 - Step 6: Final answer
x = 128,807.66
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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.