Finding the Fourth Proportional to 438,120.80, 657,472.80 and 248,580.80
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Solution
The fourth proportional to 438,120.80, 657,472.80 and 248,580.80 is: 373,036.65
Step by Step Solution
- Step 1: Write the proportion equation
438,120.80 : 657,472.80 = 248,580.80 : x - Step 2: Convert to fraction form
438,120.80/657,472.80 = 248,580.80/x - Step 3: Cross multiply
438,120.80x = 657,472.80 × 248,580.80 - Step 4: Simplify right side
438,120.80x = 163,435,114,602.24 - Step 5: Solve for x
x = 163,435,114,602.24/438,120.80 - Step 6: Final answer
x = 373,036.65
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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.