Finding the Fourth Proportional to 405,877.71, 560,170.36 and 233,762.18
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Solution
The fourth proportional to 405,877.71, 560,170.36 and 233,762.18 is: 322,625.85
Step by Step Solution
- Step 1: Write the proportion equation
405,877.71 : 560,170.36 = 233,762.18 : x - Step 2: Convert to fraction form
405,877.71/560,170.36 = 233,762.18/x - Step 3: Cross multiply
405,877.71x = 560,170.36 × 233,762.18 - Step 4: Simplify right side
405,877.71x = 130,946,642,934.36 - Step 5: Solve for x
x = 130,946,642,934.36/405,877.71 - Step 6: Final answer
x = 322,625.85
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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.