Finding the Fourth Proportional to 416,292.29, 574,485.06 and 225,305.63
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Solution
The fourth proportional to 416,292.29, 574,485.06 and 225,305.63 is: 310,922.69
Step by Step Solution
- Step 1: Write the proportion equation
416,292.29 : 574,485.06 = 225,305.63 : x - Step 2: Convert to fraction form
416,292.29/574,485.06 = 225,305.63/x - Step 3: Cross multiply
416,292.29x = 574,485.06 × 225,305.63 - Step 4: Simplify right side
416,292.29x = 129,434,718,368.89 - Step 5: Solve for x
x = 129,434,718,368.89/416,292.29 - Step 6: Final answer
x = 310,922.69
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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.