Finding the Fourth Proportional to 242,430,323.40, 363,645,485.10 and 169,729,194.60
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Solution
The fourth proportional to 242,430,323.40, 363,645,485.10 and 169,729,194.60 is: 254,593,791.90
Step by Step Solution
- Step 1: Write the proportion equation
242,430,323.40 : 363,645,485.10 = 169,729,194.60 : x - Step 2: Convert to fraction form
242,430,323.40/363,645,485.10 = 169,729,194.60/x - Step 3: Cross multiply
242,430,323.40x = 363,645,485.10 × 169,729,194.60 - Step 4: Simplify right side
242,430,323.40x = 61,721,255,305,949,304 - Step 5: Solve for x
x = 61,721,255,305,949,304/242,430,323.40 - Step 6: Final answer
x = 254,593,791.90
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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.