Finding the Fourth Proportional to 214,452.60, 295,980.08 and 118,990.05
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Solution
The fourth proportional to 214,452.60, 295,980.08 and 118,990.05 is: 164,225.96
Step by Step Solution
- Step 1: Write the proportion equation
214,452.60 : 295,980.08 = 118,990.05 : x - Step 2: Convert to fraction form
214,452.60/295,980.08 = 118,990.05/x - Step 3: Cross multiply
214,452.60x = 295,980.08 × 118,990.05 - Step 4: Simplify right side
214,452.60x = 35,218,683,923.25 - Step 5: Solve for x
x = 35,218,683,923.25/214,452.60 - Step 6: Final answer
x = 164,225.96
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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.