Finding the Fourth Proportional to 388,776.08, 536,635.08 and 252,570.32
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Solution
The fourth proportional to 388,776.08, 536,635.08 and 252,570.32 is: 348,627.66
Step by Step Solution
- Step 1: Write the proportion equation
388,776.08 : 536,635.08 = 252,570.32 : x - Step 2: Convert to fraction form
388,776.08/536,635.08 = 252,570.32/x - Step 3: Cross multiply
388,776.08x = 536,635.08 × 252,570.32 - Step 4: Simplify right side
388,776.08x = 135,538,093,878.83 - Step 5: Solve for x
x = 135,538,093,878.83/388,776.08 - Step 6: Final answer
x = 348,627.66
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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.