Finding the Fourth Proportional to 415,806.79, 623,777.51 and 162,950.18
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Solution
The fourth proportional to 415,806.79, 623,777.51 and 162,950.18 is: 244,451.65
Step by Step Solution
- Step 1: Write the proportion equation
415,806.79 : 623,777.51 = 162,950.18 : x - Step 2: Convert to fraction form
415,806.79/623,777.51 = 162,950.18/x - Step 3: Cross multiply
415,806.79x = 623,777.51 × 162,950.18 - Step 4: Simplify right side
415,806.79x = 101,644,657,415.09 - Step 5: Solve for x
x = 101,644,657,415.09/415,806.79 - Step 6: Final answer
x = 244,451.65
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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.