Finding the Fourth Proportional to 239,816.48, 330,937.99 and 132,386.18
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Solution
The fourth proportional to 239,816.48, 330,937.99 and 132,386.18 is: 182,688.09
Step by Step Solution
- Step 1: Write the proportion equation
239,816.48 : 330,937.99 = 132,386.18 : x - Step 2: Convert to fraction form
239,816.48/330,937.99 = 132,386.18/x - Step 3: Cross multiply
239,816.48x = 330,937.99 × 132,386.18 - Step 4: Simplify right side
239,816.48x = 43,811,614,327.32 - Step 5: Solve for x
x = 43,811,614,327.32/239,816.48 - Step 6: Final answer
x = 182,688.09
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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.