Finding the Fourth Proportional to 221,741.96, 305,644.42 and 173,259.12
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Solution
The fourth proportional to 221,741.96, 305,644.42 and 173,259.12 is: 238,816.70
Step by Step Solution
- Step 1: Write the proportion equation
221,741.96 : 305,644.42 = 173,259.12 : x - Step 2: Convert to fraction form
221,741.96/305,644.42 = 173,259.12/x - Step 3: Cross multiply
221,741.96x = 305,644.42 × 173,259.12 - Step 4: Simplify right side
221,741.96x = 52,955,683,242.11 - Step 5: Solve for x
x = 52,955,683,242.11/221,741.96 - Step 6: Final answer
x = 238,816.70
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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.