Finding the Fourth Proportional to 330,452.68, 495,689.79 and 157,306.85
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Solution
The fourth proportional to 330,452.68, 495,689.79 and 157,306.85 is: 235,965.41
Step by Step Solution
- Step 1: Write the proportion equation
330,452.68 : 495,689.79 = 157,306.85 : x - Step 2: Convert to fraction form
330,452.68/495,689.79 = 157,306.85/x - Step 3: Cross multiply
330,452.68x = 495,689.79 × 157,306.85 - Step 4: Simplify right side
330,452.68x = 77,975,399,442.06 - Step 5: Solve for x
x = 77,975,399,442.06/330,452.68 - Step 6: Final answer
x = 235,965.41
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1.5x scale
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.