Finding the Fourth Proportional to 239,684.22, 330,705.18 and 146,526.54
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Solution
The fourth proportional to 239,684.22, 330,705.18 and 146,526.54 is: 202,170.53
Step by Step Solution
- Step 1: Write the proportion equation
239,684.22 : 330,705.18 = 146,526.54 : x - Step 2: Convert to fraction form
239,684.22/330,705.18 = 146,526.54/x - Step 3: Cross multiply
239,684.22x = 330,705.18 × 146,526.54 - Step 4: Simplify right side
239,684.22x = 48,457,085,785.48 - Step 5: Solve for x
x = 48,457,085,785.48/239,684.22 - Step 6: Final answer
x = 202,170.53
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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.