Finding the Fourth Proportional to 146,307.60, 201,904.49 and 79,239.60
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Solution
The fourth proportional to 146,307.60, 201,904.49 and 79,239.60 is: 109,350.65
Step by Step Solution
- Step 1: Write the proportion equation
146,307.60 : 201,904.49 = 79,239.60 : x - Step 2: Convert to fraction form
146,307.60/201,904.49 = 79,239.60/x - Step 3: Cross multiply
146,307.60x = 201,904.49 × 79,239.60 - Step 4: Simplify right side
146,307.60x = 15,998,831,025.80 - Step 5: Solve for x
x = 15,998,831,025.80/146,307.60 - Step 6: Final answer
x = 109,350.65
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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.