Finding the Fourth Proportional to 490,330.88, 735,538.55 and 135,344.91
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Solution
The fourth proportional to 490,330.88, 735,538.55 and 135,344.91 is: 203,029.02
Step by Step Solution
- Step 1: Write the proportion equation
490,330.88 : 735,538.55 = 135,344.91 : x - Step 2: Convert to fraction form
490,330.88/735,538.55 = 135,344.91/x - Step 3: Cross multiply
490,330.88x = 735,538.55 × 135,344.91 - Step 4: Simplify right side
490,330.88x = 99,551,398,851.28 - Step 5: Solve for x
x = 99,551,398,851.28/490,330.88 - Step 6: Final answer
x = 203,029.02
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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.