Finding the Fourth Proportional to 97,155.81, 145,464.62 and 49,668.68
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Solution
The fourth proportional to 97,155.81, 145,464.62 and 49,668.68 is: 74,365.44
Step by Step Solution
- Step 1: Write the proportion equation
97,155.81 : 145,464.62 = 49,668.68 : x - Step 2: Convert to fraction form
97,155.81/145,464.62 = 49,668.68/x - Step 3: Cross multiply
97,155.81x = 145,464.62 × 49,668.68 - Step 4: Simplify right side
97,155.81x = 7,225,034,686.44 - Step 5: Solve for x
x = 7,225,034,686.44/97,155.81 - Step 6: Final answer
x = 74,365.44
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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.