Finding the Fourth Proportional to 202,390.10, 303,671.55 and 97,154.90
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Solution
The fourth proportional to 202,390.10, 303,671.55 and 97,154.90 is: 145,773.83
Step by Step Solution
- Step 1: Write the proportion equation
202,390.10 : 303,671.55 = 97,154.90 : x - Step 2: Convert to fraction form
202,390.10/303,671.55 = 97,154.90/x - Step 3: Cross multiply
202,390.10x = 303,671.55 × 97,154.90 - Step 4: Simplify right side
202,390.10x = 29,503,179,073.10 - Step 5: Solve for x
x = 29,503,179,073.10/202,390.10 - Step 6: Final answer
x = 145,773.83
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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.