Finding the Fourth Proportional to 239,816.53, 359,513.12 and 97,780.62
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Solution
The fourth proportional to 239,816.53, 359,513.12 and 97,780.62 is: 146,584.62
Step by Step Solution
- Step 1: Write the proportion equation
239,816.53 : 359,513.12 = 97,780.62 : x - Step 2: Convert to fraction form
239,816.53/359,513.12 = 97,780.62/x - Step 3: Cross multiply
239,816.53x = 359,513.12 × 97,780.62 - Step 4: Simplify right side
239,816.53x = 35,153,415,771.73 - Step 5: Solve for x
x = 35,153,415,771.73/239,816.53 - Step 6: Final answer
x = 146,584.62
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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.