Finding the Fourth Proportional to 260,231.69, 390,347.67 and 73,243.19
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Solution
The fourth proportional to 260,231.69, 390,347.67 and 73,243.19 is: 109,864.82
Step by Step Solution
- Step 1: Write the proportion equation
260,231.69 : 390,347.67 = 73,243.19 : x - Step 2: Convert to fraction form
260,231.69/390,347.67 = 73,243.19/x - Step 3: Cross multiply
260,231.69x = 390,347.67 × 73,243.19 - Step 4: Simplify right side
260,231.69x = 28,590,308,559.87 - Step 5: Solve for x
x = 28,590,308,559.87/260,231.69 - Step 6: Final answer
x = 109,864.82
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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.