Finding the Fourth Proportional to 165,397.49, 248,178.21 and 65,555.47
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Solution
The fourth proportional to 165,397.49, 248,178.21 and 65,555.47 is: 98,365.70
Step by Step Solution
- Step 1: Write the proportion equation
165,397.49 : 248,178.21 = 65,555.47 : x - Step 2: Convert to fraction form
165,397.49/248,178.21 = 65,555.47/x - Step 3: Cross multiply
165,397.49x = 248,178.21 × 65,555.47 - Step 4: Simplify right side
165,397.49x = 16,269,439,200.31 - Step 5: Solve for x
x = 16,269,439,200.31/165,397.49 - Step 6: Final answer
x = 98,365.70
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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.