Finding the Fourth Proportional to 558,099.75, 837,149.63 and 164,115.75
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Solution
The fourth proportional to 558,099.75, 837,149.63 and 164,115.75 is: 246,173.63
Step by Step Solution
- Step 1: Write the proportion equation
558,099.75 : 837,149.63 = 164,115.75 : x - Step 2: Convert to fraction form
558,099.75/837,149.63 = 164,115.75/x - Step 3: Cross multiply
558,099.75x = 837,149.63 × 164,115.75 - Step 4: Simplify right side
558,099.75x = 137,389,438,569.09 - Step 5: Solve for x
x = 137,389,438,569.09/558,099.75 - Step 6: Final answer
x = 246,173.63
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Similar ratio
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1.5x scale
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.