Finding the Fourth Proportional to 374,129.32, 516,253.62 and 212,984.68
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Solution
The fourth proportional to 374,129.32, 516,253.62 and 212,984.68 is: 293,893.33
Step by Step Solution
- Step 1: Write the proportion equation
374,129.32 : 516,253.62 = 212,984.68 : x - Step 2: Convert to fraction form
374,129.32/516,253.62 = 212,984.68/x - Step 3: Cross multiply
374,129.32x = 516,253.62 × 212,984.68 - Step 4: Simplify right side
374,129.32x = 109,954,112,054.54 - Step 5: Solve for x
x = 109,954,112,054.54/374,129.32 - Step 6: Final answer
x = 293,893.33
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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.