Finding the Fourth Proportional to 374,128.32, 516,252.24 and 212,983.68
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Solution
The fourth proportional to 374,128.32, 516,252.24 and 212,983.68 is: 293,891.95
Step by Step Solution
- Step 1: Write the proportion equation
374,128.32 : 516,252.24 = 212,983.68 : x - Step 2: Convert to fraction form
374,128.32/516,252.24 = 212,983.68/x - Step 3: Cross multiply
374,128.32x = 516,252.24 × 212,983.68 - Step 4: Simplify right side
374,128.32x = 109,953,301,883.44 - Step 5: Solve for x
x = 109,953,301,883.44/374,128.32 - Step 6: Final answer
x = 293,891.95
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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.