Finding the Fourth Proportional to 558,163.20, 837,244.80 and 292,005.30
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Solution
The fourth proportional to 558,163.20, 837,244.80 and 292,005.30 is: 438,007.95
Step by Step Solution
- Step 1: Write the proportion equation
558,163.20 : 837,244.80 = 292,005.30 : x - Step 2: Convert to fraction form
558,163.20/837,244.80 = 292,005.30/x - Step 3: Cross multiply
558,163.20x = 837,244.80 × 292,005.30 - Step 4: Simplify right side
558,163.20x = 244,479,918,997.44 - Step 5: Solve for x
x = 244,479,918,997.44/558,163.20 - Step 6: Final answer
x = 438,007.95
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Double scale
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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.