Finding the Fourth Proportional to 112,460.23, 155,192.22 and 61,473.09
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Solution
The fourth proportional to 112,460.23, 155,192.22 and 61,473.09 is: 84,831.28
Step by Step Solution
- Step 1: Write the proportion equation
112,460.23 : 155,192.22 = 61,473.09 : x - Step 2: Convert to fraction form
112,460.23/155,192.22 = 61,473.09/x - Step 3: Cross multiply
112,460.23x = 155,192.22 × 61,473.09 - Step 4: Simplify right side
112,460.23x = 9,540,145,307.36 - Step 5: Solve for x
x = 9,540,145,307.36/112,460.23 - Step 6: Final answer
x = 84,831.28
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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.