Finding the Fourth Proportional to 230,816.93, 318,671.30 and 149,187.84
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Solution
The fourth proportional to 230,816.93, 318,671.30 and 149,187.84 is: 205,972.26
Step by Step Solution
- Step 1: Write the proportion equation
230,816.93 : 318,671.30 = 149,187.84 : x - Step 2: Convert to fraction form
230,816.93/318,671.30 = 149,187.84/x - Step 3: Cross multiply
230,816.93x = 318,671.30 × 149,187.84 - Step 4: Simplify right side
230,816.93x = 47,541,883,048.29 - Step 5: Solve for x
x = 47,541,883,048.29/230,816.93 - Step 6: Final answer
x = 205,972.26
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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.