Finding the Fourth Proportional to 207,948.96, 286,969.68 and 112,456.44
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Solution
The fourth proportional to 207,948.96, 286,969.68 and 112,456.44 is: 155,189.95
Step by Step Solution
- Step 1: Write the proportion equation
207,948.96 : 286,969.68 = 112,456.44 : x - Step 2: Convert to fraction form
207,948.96/286,969.68 = 112,456.44/x - Step 3: Cross multiply
207,948.96x = 286,969.68 × 112,456.44 - Step 4: Simplify right side
207,948.96x = 32,271,588,600.74 - Step 5: Solve for x
x = 32,271,588,600.74/207,948.96 - Step 6: Final answer
x = 155,189.95
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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.