Finding the Fourth Proportional to 415,957.83, 623,936.75 and 135,475.08
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Solution
The fourth proportional to 415,957.83, 623,936.75 and 135,475.08 is: 203,212.62
Step by Step Solution
- Step 1: Write the proportion equation
415,957.83 : 623,936.75 = 135,475.08 : x - Step 2: Convert to fraction form
415,957.83/623,936.75 = 135,475.08/x - Step 3: Cross multiply
415,957.83x = 623,936.75 × 135,475.08 - Step 4: Simplify right side
415,957.83x = 84,527,881,121.19 - Step 5: Solve for x
x = 84,527,881,121.19/415,957.83 - Step 6: Final answer
x = 203,212.62
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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.