Finding the Fourth Proportional to 97,740.76, 146,622.68 and 31,157.55
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Solution
The fourth proportional to 97,740.76, 146,622.68 and 31,157.55 is: 46,740.00
Step by Step Solution
- Step 1: Write the proportion equation
97,740.76 : 146,622.68 = 31,157.55 : x - Step 2: Convert to fraction form
97,740.76/146,622.68 = 31,157.55/x - Step 3: Cross multiply
97,740.76x = 146,622.68 × 31,157.55 - Step 4: Simplify right side
97,740.76x = 4,568,403,483.23 - Step 5: Solve for x
x = 4,568,403,483.23/97,740.76 - Step 6: Final answer
x = 46,740.00
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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.