Finding the Fourth Proportional to 416,839.56, 575,239.08 and 225,852.94
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Solution
The fourth proportional to 416,839.56, 575,239.08 and 225,852.94 is: 311,677.32
Step by Step Solution
- Step 1: Write the proportion equation
416,839.56 : 575,239.08 = 225,852.94 : x - Step 2: Convert to fraction form
416,839.56/575,239.08 = 225,852.94/x - Step 3: Cross multiply
416,839.56x = 575,239.08 × 225,852.94 - Step 4: Simplify right side
416,839.56x = 129,919,437,420.90 - Step 5: Solve for x
x = 129,919,437,420.90/416,839.56 - Step 6: Final answer
x = 311,677.32
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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.