Finding the Fourth Proportional to 411,170.68, 616,989.30 and 162,027.64
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Solution
The fourth proportional to 411,170.68, 616,989.30 and 162,027.64 is: 243,133.39
Step by Step Solution
- Step 1: Write the proportion equation
411,170.68 : 616,989.30 = 162,027.64 : x - Step 2: Convert to fraction form
411,170.68/616,989.30 = 162,027.64/x - Step 3: Cross multiply
411,170.68x = 616,989.30 × 162,027.64 - Step 4: Simplify right side
411,170.68x = 99,969,320,184.25 - Step 5: Solve for x
x = 99,969,320,184.25/411,170.68 - Step 6: Final answer
x = 243,133.39
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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.