Finding the Fourth Proportional to 97,282.20, 145,923.36 and 30,729.12
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Solution
The fourth proportional to 97,282.20, 145,923.36 and 30,729.12 is: 46,093.70
Step by Step Solution
- Step 1: Write the proportion equation
97,282.20 : 145,923.36 = 30,729.12 : x - Step 2: Convert to fraction form
97,282.20/145,923.36 = 30,729.12/x - Step 3: Cross multiply
97,282.20x = 145,923.36 × 30,729.12 - Step 4: Simplify right side
97,282.20x = 4,484,096,440.24 - Step 5: Solve for x
x = 4,484,096,440.24/97,282.20 - Step 6: Final answer
x = 46,093.70
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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.