Finding the Fourth Proportional to 629,119.76, 943,690.62 and 208,406.66
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Solution
The fourth proportional to 629,119.76, 943,690.62 and 208,406.66 is: 312,613.63
Step by Step Solution
- Step 1: Write the proportion equation
629,119.76 : 943,690.62 = 208,406.66 : x - Step 2: Convert to fraction form
629,119.76/943,690.62 = 208,406.66/x - Step 3: Cross multiply
629,119.76x = 943,690.62 × 208,406.66 - Step 4: Simplify right side
629,119.76x = 196,671,410,187.53 - Step 5: Solve for x
x = 196,671,410,187.53/629,119.76 - Step 6: Final answer
x = 312,613.63
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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.