Finding the Fourth Proportional to 155,694.36, 214,860.57 and 92,038.08
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Solution
The fourth proportional to 155,694.36, 214,860.57 and 92,038.08 is: 127,013.94
Step by Step Solution
- Step 1: Write the proportion equation
155,694.36 : 214,860.57 = 92,038.08 : x - Step 2: Convert to fraction form
155,694.36/214,860.57 = 92,038.08/x - Step 3: Cross multiply
155,694.36x = 214,860.57 × 92,038.08 - Step 4: Simplify right side
155,694.36x = 19,775,354,330.51 - Step 5: Solve for x
x = 19,775,354,330.51/155,694.36 - Step 6: Final answer
x = 127,013.94
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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.