Finding the Fourth Proportional to 145,350.99, 217,986.66 and 91,962.68
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Solution
The fourth proportional to 145,350.99, 217,986.66 and 91,962.68 is: 137,918.82
Step by Step Solution
- Step 1: Write the proportion equation
145,350.99 : 217,986.66 = 91,962.68 : x - Step 2: Convert to fraction form
145,350.99/217,986.66 = 91,962.68/x - Step 3: Cross multiply
145,350.99x = 217,986.66 × 91,962.68 - Step 4: Simplify right side
145,350.99x = 20,046,636,367.92 - Step 5: Solve for x
x = 20,046,636,367.92/145,350.99 - Step 6: Final answer
x = 137,918.82
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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.