Finding the Fourth Proportional to 116,444.08, 174,539.74 and 76,446.28
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Solution
The fourth proportional to 116,444.08, 174,539.74 and 76,446.28 is: 114,586.45
Step by Step Solution
- Step 1: Write the proportion equation
116,444.08 : 174,539.74 = 76,446.28 : x - Step 2: Convert to fraction form
116,444.08/174,539.74 = 76,446.28/x - Step 3: Cross multiply
116,444.08x = 174,539.74 × 76,446.28 - Step 4: Simplify right side
116,444.08x = 13,342,913,835.17 - Step 5: Solve for x
x = 13,342,913,835.17/116,444.08 - Step 6: Final answer
x = 114,586.45
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1.5x scale
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.