Finding the Fourth Proportional to 330,940.05, 495,973.99 and 131,151.52
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Solution
The fourth proportional to 330,940.05, 495,973.99 and 131,151.52 is: 196,554.46
Step by Step Solution
- Step 1: Write the proportion equation
330,940.05 : 495,973.99 = 131,151.52 : x - Step 2: Convert to fraction form
330,940.05/495,973.99 = 131,151.52/x - Step 3: Cross multiply
330,940.05x = 495,973.99 × 131,151.52 - Step 4: Simplify right side
330,940.05x = 65,047,742,668.96 - Step 5: Solve for x
x = 65,047,742,668.96/330,940.05 - Step 6: Final answer
x = 196,554.46
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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.