Finding the Fourth Proportional to 97,181.62, 145,720.49 and 30,603.87
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Solution
The fourth proportional to 97,181.62, 145,720.49 and 30,603.87 is: 45,889.45
Step by Step Solution
- Step 1: Write the proportion equation
97,181.62 : 145,720.49 = 30,603.87 : x - Step 2: Convert to fraction form
97,181.62/145,720.49 = 30,603.87/x - Step 3: Cross multiply
97,181.62x = 145,720.49 × 30,603.87 - Step 4: Simplify right side
97,181.62x = 4,459,610,779.28 - Step 5: Solve for x
x = 4,459,610,779.28/97,181.62 - Step 6: Final answer
x = 45,889.45
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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.