Finding the Fourth Proportional to 114,638.96, 171,959.70 and 34,677.74
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Solution
The fourth proportional to 114,638.96, 171,959.70 and 34,677.74 is: 52,016.99
Step by Step Solution
- Step 1: Write the proportion equation
114,638.96 : 171,959.70 = 34,677.74 : x - Step 2: Convert to fraction form
114,638.96/171,959.70 = 34,677.74/x - Step 3: Cross multiply
114,638.96x = 171,959.70 × 34,677.74 - Step 4: Simplify right side
114,638.96x = 5,963,173,767.08 - Step 5: Solve for x
x = 5,963,173,767.08/114,638.96 - Step 6: Final answer
x = 52,016.99
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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.