Finding the Fourth Proportional to 115,272.77, 172,927.04 and 48,713.18
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Solution
The fourth proportional to 115,272.77, 172,927.04 and 48,713.18 is: 73,077.32
Step by Step Solution
- Step 1: Write the proportion equation
115,272.77 : 172,927.04 = 48,713.18 : x - Step 2: Convert to fraction form
115,272.77/172,927.04 = 48,713.18/x - Step 3: Cross multiply
115,272.77x = 172,927.04 × 48,713.18 - Step 4: Simplify right side
115,272.77x = 8,423,824,918.19 - Step 5: Solve for x
x = 8,423,824,918.19/115,272.77 - Step 6: Final answer
x = 73,077.32
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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.