Finding the Fourth Proportional to 374,139.87, 516,293.76 and 204,341.19
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Solution
The fourth proportional to 374,139.87, 516,293.76 and 204,341.19 is: 281,980.32
Step by Step Solution
- Step 1: Write the proportion equation
374,139.87 : 516,293.76 = 204,341.19 : x - Step 2: Convert to fraction form
374,139.87/516,293.76 = 204,341.19/x - Step 3: Cross multiply
374,139.87x = 516,293.76 × 204,341.19 - Step 4: Simplify right side
374,139.87x = 105,500,081,307.97 - Step 5: Solve for x
x = 105,500,081,307.97/374,139.87 - Step 6: Final answer
x = 281,980.32
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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.