Finding the Fourth Proportional to 230,810.62, 318,571.79 and 135,348.07
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Solution
The fourth proportional to 230,810.62, 318,571.79 and 135,348.07 is: 186,811.49
Step by Step Solution
- Step 1: Write the proportion equation
230,810.62 : 318,571.79 = 135,348.07 : x - Step 2: Convert to fraction form
230,810.62/318,571.79 = 135,348.07/x - Step 3: Cross multiply
230,810.62x = 318,571.79 × 135,348.07 - Step 4: Simplify right side
230,810.62x = 43,118,074,663.35 - Step 5: Solve for x
x = 43,118,074,663.35/230,810.62 - Step 6: Final answer
x = 186,811.49
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1.5x scale
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.