Finding the Fourth Proportional to 211,362.54, 316,877.06 and 104,783.19
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Solution
The fourth proportional to 211,362.54, 316,877.06 and 104,783.19 is: 157,092.12
Step by Step Solution
- Step 1: Write the proportion equation
211,362.54 : 316,877.06 = 104,783.19 : x - Step 2: Convert to fraction form
211,362.54/316,877.06 = 104,783.19/x - Step 3: Cross multiply
211,362.54x = 316,877.06 × 104,783.19 - Step 4: Simplify right side
211,362.54x = 33,203,388,660.71 - Step 5: Solve for x
x = 33,203,388,660.71/211,362.54 - Step 6: Final answer
x = 157,092.12
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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.