Finding the Fourth Proportional to 330,145.19, 495,386.67 and 157,232.69
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Solution
The fourth proportional to 330,145.19, 495,386.67 and 157,232.69 is: 235,929.47
Step by Step Solution
- Step 1: Write the proportion equation
330,145.19 : 495,386.67 = 157,232.69 : x - Step 2: Convert to fraction form
330,145.19/495,386.67 = 157,232.69/x - Step 3: Cross multiply
330,145.19x = 495,386.67 × 157,232.69 - Step 4: Simplify right side
330,145.19x = 77,890,978,714.24 - Step 5: Solve for x
x = 77,890,978,714.24/330,145.19 - Step 6: Final answer
x = 235,929.47
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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.