Finding the Fourth Proportional to 247,239.81, 341,133.71 and 166,816.53
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Solution
The fourth proportional to 247,239.81, 341,133.71 and 166,816.53 is: 230,168.20
Step by Step Solution
- Step 1: Write the proportion equation
247,239.81 : 341,133.71 = 166,816.53 : x - Step 2: Convert to fraction form
247,239.81/341,133.71 = 166,816.53/x - Step 3: Cross multiply
247,239.81x = 341,133.71 × 166,816.53 - Step 4: Simplify right side
247,239.81x = 56,906,740,934.14 - Step 5: Solve for x
x = 56,906,740,934.14/247,239.81 - Step 6: Final answer
x = 230,168.20
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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.