Finding the Fourth Proportional to 415,215.68, 572,997.63 and 224,229.05
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Solution
The fourth proportional to 415,215.68, 572,997.63 and 224,229.05 is: 309,436.09
Step by Step Solution
- Step 1: Write the proportion equation
415,215.68 : 572,997.63 = 224,229.05 : x - Step 2: Convert to fraction form
415,215.68/572,997.63 = 224,229.05/x - Step 3: Cross multiply
415,215.68x = 572,997.63 × 224,229.05 - Step 4: Simplify right side
415,215.68x = 128,482,713,090.48 - Step 5: Solve for x
x = 128,482,713,090.48/415,215.68 - Step 6: Final answer
x = 309,436.09
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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.