Finding the Fourth Proportional to 181,985.24, 251,046.06 and 118,299.80
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Solution
The fourth proportional to 181,985.24, 251,046.06 and 118,299.80 is: 163,192.90
Step by Step Solution
- Step 1: Write the proportion equation
181,985.24 : 251,046.06 = 118,299.80 : x - Step 2: Convert to fraction form
181,985.24/251,046.06 = 118,299.80/x - Step 3: Cross multiply
181,985.24x = 251,046.06 × 118,299.80 - Step 4: Simplify right side
181,985.24x = 29,698,698,688.79 - Step 5: Solve for x
x = 29,698,698,688.79/181,985.24 - Step 6: Final answer
x = 163,192.90
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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.