Finding the Fourth Proportional to 438,229.60, 657,862.80 and 248,840.80
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Solution
The fourth proportional to 438,229.60, 657,862.80 and 248,840.80 is: 373,555.56
Step by Step Solution
- Step 1: Write the proportion equation
438,229.60 : 657,862.80 = 248,840.80 : x - Step 2: Convert to fraction form
438,229.60/657,862.80 = 248,840.80/x - Step 3: Cross multiply
438,229.60x = 657,862.80 × 248,840.80 - Step 4: Simplify right side
438,229.60x = 163,703,105,442.24 - Step 5: Solve for x
x = 163,703,105,442.24/438,229.60 - Step 6: Final answer
x = 373,555.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.