Finding the Fourth Proportional to 238,683.16, 329,385.18 and 131,253.99
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Solution
The fourth proportional to 238,683.16, 329,385.18 and 131,253.99 is: 181,131.83
Step by Step Solution
- Step 1: Write the proportion equation
238,683.16 : 329,385.18 = 131,253.99 : x - Step 2: Convert to fraction form
238,683.16/329,385.18 = 131,253.99/x - Step 3: Cross multiply
238,683.16x = 329,385.18 × 131,253.99 - Step 4: Simplify right side
238,683.16x = 43,233,117,474.94 - Step 5: Solve for x
x = 43,233,117,474.94/238,683.16 - Step 6: Final answer
x = 181,131.83
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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.