Finding the Fourth Proportional to 207,933.74, 286,948.56 and 112,440.44
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Solution
The fourth proportional to 207,933.74, 286,948.56 and 112,440.44 is: 155,167.80
Step by Step Solution
- Step 1: Write the proportion equation
207,933.74 : 286,948.56 = 112,440.44 : x - Step 2: Convert to fraction form
207,933.74/286,948.56 = 112,440.44/x - Step 3: Cross multiply
207,933.74x = 286,948.56 × 112,440.44 - Step 4: Simplify right side
207,933.74x = 32,264,620,909.02 - Step 5: Solve for x
x = 32,264,620,909.02/207,933.74 - Step 6: Final answer
x = 155,167.80
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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.