Finding the Fourth Proportional to 495,423.70, 743,135.55 and 121,446.70
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Solution
The fourth proportional to 495,423.70, 743,135.55 and 121,446.70 is: 182,170.05
Step by Step Solution
- Step 1: Write the proportion equation
495,423.70 : 743,135.55 = 121,446.70 : x - Step 2: Convert to fraction form
495,423.70/743,135.55 = 121,446.70/x - Step 3: Cross multiply
495,423.70x = 743,135.55 × 121,446.70 - Step 4: Simplify right side
495,423.70x = 90,251,360,200.19 - Step 5: Solve for x
x = 90,251,360,200.19/495,423.70 - Step 6: Final answer
x = 182,170.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.