Finding the Fourth Proportional to 176,443.12, 264,515.91 and 76,528.09
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Solution
The fourth proportional to 176,443.12, 264,515.91 and 76,528.09 is: 114,727.61
Step by Step Solution
- Step 1: Write the proportion equation
176,443.12 : 264,515.91 = 76,528.09 : x - Step 2: Convert to fraction form
176,443.12/264,515.91 = 76,528.09/x - Step 3: Cross multiply
176,443.12x = 264,515.91 × 76,528.09 - Step 4: Simplify right side
176,443.12x = 20,242,897,366.91 - Step 5: Solve for x
x = 20,242,897,366.91/176,443.12 - Step 6: Final answer
x = 114,727.61
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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.