Finding the Fourth Proportional to 170,828.36, 256,267.04 and 52,509.63
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Solution
The fourth proportional to 170,828.36, 256,267.04 and 52,509.63 is: 78,771.98
Step by Step Solution
- Step 1: Write the proportion equation
170,828.36 : 256,267.04 = 52,509.63 : x - Step 2: Convert to fraction form
170,828.36/256,267.04 = 52,509.63/x - Step 3: Cross multiply
170,828.36x = 256,267.04 × 52,509.63 - Step 4: Simplify right side
170,828.36x = 13,456,487,189.05 - Step 5: Solve for x
x = 13,456,487,189.05/170,828.36 - Step 6: Final answer
x = 78,771.98
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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.