Finding the Fourth Proportional to 490,025.22, 735,062.94 and 135,031.38
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Solution
The fourth proportional to 490,025.22, 735,062.94 and 135,031.38 is: 202,553.99
Step by Step Solution
- Step 1: Write the proportion equation
490,025.22 : 735,062.94 = 135,031.38 : x - Step 2: Convert to fraction form
490,025.22/735,062.94 = 135,031.38/x - Step 3: Cross multiply
490,025.22x = 735,062.94 × 135,031.38 - Step 4: Simplify right side
490,025.22x = 99,256,563,175.06 - Step 5: Solve for x
x = 99,256,563,175.06/490,025.22 - Step 6: Final answer
x = 202,553.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.