Finding the Fourth Proportional to 354,465.48, 531,542.70 and 129,767.70
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Solution
The fourth proportional to 354,465.48, 531,542.70 and 129,767.70 is: 194,594.62
Step by Step Solution
- Step 1: Write the proportion equation
354,465.48 : 531,542.70 = 129,767.70 : x - Step 2: Convert to fraction form
354,465.48/531,542.70 = 129,767.70/x - Step 3: Cross multiply
354,465.48x = 531,542.70 × 129,767.70 - Step 4: Simplify right side
354,465.48x = 68,977,073,630.79 - Step 5: Solve for x
x = 68,977,073,630.79/354,465.48 - Step 6: Final answer
x = 194,594.62
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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.