Finding the Fourth Proportional to 335,655.64, 503,484.78 and 135,979.88
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Solution
The fourth proportional to 335,655.64, 503,484.78 and 135,979.88 is: 203,970.35
Step by Step Solution
- Step 1: Write the proportion equation
335,655.64 : 503,484.78 = 135,979.88 : x - Step 2: Convert to fraction form
335,655.64/503,484.78 = 135,979.88/x - Step 3: Cross multiply
335,655.64x = 503,484.78 × 135,979.88 - Step 4: Simplify right side
335,655.64x = 68,463,799,966.23 - Step 5: Solve for x
x = 68,463,799,966.23/335,655.64 - Step 6: Final answer
x = 203,970.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.