Finding the Fourth Proportional to 765,289.98, 1,147,537.80 and 225,476.19
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Solution
The fourth proportional to 765,289.98, 1,147,537.80 and 225,476.19 is: 338,097.27
Step by Step Solution
- Step 1: Write the proportion equation
765,289.98 : 1,147,537.80 = 225,476.19 : x - Step 2: Convert to fraction form
765,289.98/1,147,537.80 = 225,476.19/x - Step 3: Cross multiply
765,289.98x = 1,147,537.80 × 225,476.19 - Step 4: Simplify right side
765,289.98x = 258,742,451,024.98 - Step 5: Solve for x
x = 258,742,451,024.98/765,289.98 - Step 6: Final answer
x = 338,097.27
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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.