Finding the Fourth Proportional to 169,776.80, 255,651.68 and 125,715.68
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Solution
The fourth proportional to 169,776.80, 255,651.68 and 125,715.68 is: 189,303.98
Step by Step Solution
- Step 1: Write the proportion equation
169,776.80 : 255,651.68 = 125,715.68 : x - Step 2: Convert to fraction form
169,776.80/255,651.68 = 125,715.68/x - Step 3: Cross multiply
169,776.80x = 255,651.68 × 125,715.68 - Step 4: Simplify right side
169,776.80x = 32,139,424,794.34 - Step 5: Solve for x
x = 32,139,424,794.34/169,776.80 - Step 6: Final answer
x = 189,303.98
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.