Finding the Fourth Proportional to 686,134.56, 1,029,271.68 and 236,796.96
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Solution
The fourth proportional to 686,134.56, 1,029,271.68 and 236,796.96 is: 355,219.54
Step by Step Solution
- Step 1: Write the proportion equation
686,134.56 : 1,029,271.68 = 236,796.96 : x - Step 2: Convert to fraction form
686,134.56/1,029,271.68 = 236,796.96/x - Step 3: Cross multiply
686,134.56x = 1,029,271.68 × 236,796.96 - Step 4: Simplify right side
686,134.56x = 243,728,404,838.09 - Step 5: Solve for x
x = 243,728,404,838.09/686,134.56 - Step 6: Final answer
x = 355,219.54
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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.