Finding the Fourth Proportional to 240,106.58, 331,501.66 and 154,102.60
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Solution
The fourth proportional to 240,106.58, 331,501.66 and 154,102.60 is: 212,760.80
Step by Step Solution
- Step 1: Write the proportion equation
240,106.58 : 331,501.66 = 154,102.60 : x - Step 2: Convert to fraction form
240,106.58/331,501.66 = 154,102.60/x - Step 3: Cross multiply
240,106.58x = 331,501.66 × 154,102.60 - Step 4: Simplify right side
240,106.58x = 51,085,268,606.26 - Step 5: Solve for x
x = 51,085,268,606.26/240,106.58 - Step 6: Final answer
x = 212,760.80
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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.