Finding the Fourth Proportional to 97,174.07, 145,698.70 and 40,998.81
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Solution
The fourth proportional to 97,174.07, 145,698.70 and 40,998.81 is: 61,471.89
Step by Step Solution
- Step 1: Write the proportion equation
97,174.07 : 145,698.70 = 40,998.81 : x - Step 2: Convert to fraction form
97,174.07/145,698.70 = 40,998.81/x - Step 3: Cross multiply
97,174.07x = 145,698.70 × 40,998.81 - Step 4: Simplify right side
97,174.07x = 5,973,473,318.55 - Step 5: Solve for x
x = 5,973,473,318.55/97,174.07 - Step 6: Final answer
x = 61,471.89
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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.