Finding the Fourth Proportional to 550,210.19, 759,321.36 and 308,481.08
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Solution
The fourth proportional to 550,210.19, 759,321.36 and 308,481.08 is: 425,721.43
Step by Step Solution
- Step 1: Write the proportion equation
550,210.19 : 759,321.36 = 308,481.08 : x - Step 2: Convert to fraction form
550,210.19/759,321.36 = 308,481.08/x - Step 3: Cross multiply
550,210.19x = 759,321.36 × 308,481.08 - Step 4: Simplify right side
550,210.19x = 234,236,269,403.26 - Step 5: Solve for x
x = 234,236,269,403.26/550,210.19 - Step 6: Final answer
x = 425,721.43
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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.