Finding the Fourth Proportional to 438,057.90, 657,305.55 and 248,663.70
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Solution
The fourth proportional to 438,057.90, 657,305.55 and 248,663.70 is: 373,119.70
Step by Step Solution
- Step 1: Write the proportion equation
438,057.90 : 657,305.55 = 248,663.70 : x - Step 2: Convert to fraction form
438,057.90/657,305.55 = 248,663.70/x - Step 3: Cross multiply
438,057.90x = 657,305.55 × 248,663.70 - Step 4: Simplify right side
438,057.90x = 163,448,030,093.54 - Step 5: Solve for x
x = 163,448,030,093.54/438,057.90 - Step 6: Final answer
x = 373,119.70
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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.