Finding the Fourth Proportional to 170,115.38, 255,209.94 and 51,783.63
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Solution
The fourth proportional to 170,115.38, 255,209.94 and 51,783.63 is: 77,686.66
Step by Step Solution
- Step 1: Write the proportion equation
170,115.38 : 255,209.94 = 51,783.63 : x - Step 2: Convert to fraction form
170,115.38/255,209.94 = 51,783.63/x - Step 3: Cross multiply
170,115.38x = 255,209.94 × 51,783.63 - Step 4: Simplify right side
170,115.38x = 13,215,695,829.23 - Step 5: Solve for x
x = 13,215,695,829.23/170,115.38 - Step 6: Final answer
x = 77,686.66
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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.