Finding the Fourth Proportional to 110,316.63, 165,513.84 and 40,203.03
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Solution
The fourth proportional to 110,316.63, 165,513.84 and 40,203.03 is: 60,318.72
Step by Step Solution
- Step 1: Write the proportion equation
110,316.63 : 165,513.84 = 40,203.03 : x - Step 2: Convert to fraction form
110,316.63/165,513.84 = 40,203.03/x - Step 3: Cross multiply
110,316.63x = 165,513.84 × 40,203.03 - Step 4: Simplify right side
110,316.63x = 6,654,157,874.94 - Step 5: Solve for x
x = 6,654,157,874.94/110,316.63 - Step 6: Final answer
x = 60,318.72
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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.