Finding the Fourth Proportional to 495,657.62, 743,473.36 and 140,671.68
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Solution
The fourth proportional to 495,657.62, 743,473.36 and 140,671.68 is: 211,003.81
Step by Step Solution
- Step 1: Write the proportion equation
495,657.62 : 743,473.36 = 140,671.68 : x - Step 2: Convert to fraction form
495,657.62/743,473.36 = 140,671.68/x - Step 3: Cross multiply
495,657.62x = 743,473.36 × 140,671.68 - Step 4: Simplify right side
495,657.62x = 104,585,646,586.45 - Step 5: Solve for x
x = 104,585,646,586.45/495,657.62 - Step 6: Final answer
x = 211,003.81
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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.