Finding the Fourth Proportional to 157,655.36, 236,476.36 and 73,386.61
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Solution
The fourth proportional to 157,655.36, 236,476.36 and 73,386.61 is: 110,076.80
Step by Step Solution
- Step 1: Write the proportion equation
157,655.36 : 236,476.36 = 73,386.61 : x - Step 2: Convert to fraction form
157,655.36/236,476.36 = 73,386.61/x - Step 3: Cross multiply
157,655.36x = 236,476.36 × 73,386.61 - Step 4: Simplify right side
157,655.36x = 17,354,197,906.08 - Step 5: Solve for x
x = 17,354,197,906.08/157,655.36 - Step 6: Final answer
x = 110,076.80
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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.