Finding the Fourth Proportional to 176,445.81, 264,519.93 and 76,530.75
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Solution
The fourth proportional to 176,445.81, 264,519.93 and 76,530.75 is: 114,731.59
Step by Step Solution
- Step 1: Write the proportion equation
176,445.81 : 264,519.93 = 76,530.75 : x - Step 2: Convert to fraction form
176,445.81/264,519.93 = 76,530.75/x - Step 3: Cross multiply
176,445.81x = 264,519.93 × 76,530.75 - Step 4: Simplify right side
176,445.81x = 20,243,908,632.85 - Step 5: Solve for x
x = 20,243,908,632.85/176,445.81 - Step 6: Final answer
x = 114,731.59
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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.