Finding the Fourth Proportional to 127,211.08, 175,539.54 and 70,619.08
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Solution
The fourth proportional to 127,211.08, 175,539.54 and 70,619.08 is: 97,447.81
Step by Step Solution
- Step 1: Write the proportion equation
127,211.08 : 175,539.54 = 70,619.08 : x - Step 2: Convert to fraction form
127,211.08/175,539.54 = 70,619.08/x - Step 3: Cross multiply
127,211.08x = 175,539.54 × 70,619.08 - Step 4: Simplify right side
127,211.08x = 12,396,440,818.42 - Step 5: Solve for x
x = 12,396,440,818.42/127,211.08 - Step 6: Final answer
x = 97,447.81
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1.5x scale
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.