Finding the Fourth Proportional to 665,763.86, 998,653.08 and 192,453.32
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Solution
The fourth proportional to 665,763.86, 998,653.08 and 192,453.32 is: 288,682.09
Step by Step Solution
- Step 1: Write the proportion equation
665,763.86 : 998,653.08 = 192,453.32 : x - Step 2: Convert to fraction form
665,763.86/998,653.08 = 192,453.32/x - Step 3: Cross multiply
665,763.86x = 998,653.08 × 192,453.32 - Step 4: Simplify right side
665,763.86x = 192,194,100,774.23 - Step 5: Solve for x
x = 192,194,100,774.23/665,763.86 - Step 6: Final answer
x = 288,682.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.