Finding the Fourth Proportional to 165,384.64, 247,880.10 and 115,192.96
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Solution
The fourth proportional to 165,384.64, 247,880.10 and 115,192.96 is: 172,652.32
Step by Step Solution
- Step 1: Write the proportion equation
165,384.64 : 247,880.10 = 115,192.96 : x - Step 2: Convert to fraction form
165,384.64/247,880.10 = 115,192.96/x - Step 3: Cross multiply
165,384.64x = 247,880.10 × 115,192.96 - Step 4: Simplify right side
165,384.64x = 28,554,042,444.10 - Step 5: Solve for x
x = 28,554,042,444.10/165,384.64 - Step 6: Final answer
x = 172,652.32
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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.