Finding the Fourth Proportional to 176,673.80, 243,816.18 and 101,236.88
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Solution
The fourth proportional to 176,673.80, 243,816.18 and 101,236.88 is: 139,710.53
Step by Step Solution
- Step 1: Write the proportion equation
176,673.80 : 243,816.18 = 101,236.88 : x - Step 2: Convert to fraction form
176,673.80/243,816.18 = 101,236.88/x - Step 3: Cross multiply
176,673.80x = 243,816.18 × 101,236.88 - Step 4: Simplify right side
176,673.80x = 24,683,189,356.72 - Step 5: Solve for x
x = 24,683,189,356.72/176,673.80 - Step 6: Final answer
x = 139,710.53
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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.