Finding the Fourth Proportional to 316,749.69, 474,790.82 and 116,942.13
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Solution
The fourth proportional to 316,749.69, 474,790.82 and 116,942.13 is: 175,289.99
Step by Step Solution
- Step 1: Write the proportion equation
316,749.69 : 474,790.82 = 116,942.13 : x - Step 2: Convert to fraction form
316,749.69/474,790.82 = 116,942.13/x - Step 3: Cross multiply
316,749.69x = 474,790.82 × 116,942.13 - Step 4: Simplify right side
316,749.69x = 55,523,049,210.54 - Step 5: Solve for x
x = 55,523,049,210.54/316,749.69 - Step 6: Final answer
x = 175,289.99
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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.