Finding the Fourth Proportional to 169,997.93, 234,605.07 and 98,364.09
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Solution
The fourth proportional to 169,997.93, 234,605.07 and 98,364.09 is: 135,747.03
Step by Step Solution
- Step 1: Write the proportion equation
169,997.93 : 234,605.07 = 98,364.09 : x - Step 2: Convert to fraction form
169,997.93/234,605.07 = 98,364.09/x - Step 3: Cross multiply
169,997.93x = 234,605.07 × 98,364.09 - Step 4: Simplify right side
169,997.93x = 23,076,714,219.94 - Step 5: Solve for x
x = 23,076,714,219.94/169,997.93 - Step 6: Final answer
x = 135,747.03
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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.