Finding the Fourth Proportional to 424,946.20, 636,107.10 and 246,924.40
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Solution
The fourth proportional to 424,946.20, 636,107.10 and 246,924.40 is: 369,624.12
Step by Step Solution
- Step 1: Write the proportion equation
424,946.20 : 636,107.10 = 246,924.40 : x - Step 2: Convert to fraction form
424,946.20/636,107.10 = 246,924.40/x - Step 3: Cross multiply
424,946.20x = 636,107.10 × 246,924.40 - Step 4: Simplify right side
424,946.20x = 157,070,364,003.24 - Step 5: Solve for x
x = 157,070,364,003.24/424,946.20 - Step 6: Final answer
x = 369,624.12
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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.