Finding the Fourth Proportional to 327,626.79, 452,264.48 and 220,259.09
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Solution
The fourth proportional to 327,626.79, 452,264.48 and 220,259.09 is: 304,051.33
Step by Step Solution
- Step 1: Write the proportion equation
327,626.79 : 452,264.48 = 220,259.09 : x - Step 2: Convert to fraction form
327,626.79/452,264.48 = 220,259.09/x - Step 3: Cross multiply
327,626.79x = 452,264.48 × 220,259.09 - Step 4: Simplify right side
327,626.79x = 99,615,362,804.12 - Step 5: Solve for x
x = 99,615,362,804.12/327,626.79 - Step 6: Final answer
x = 304,051.33
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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.