Finding the Fourth Proportional to 434,542.20, 651,813.30 and 368,276.10
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Solution
The fourth proportional to 434,542.20, 651,813.30 and 368,276.10 is: 552,414.15
Step by Step Solution
- Step 1: Write the proportion equation
434,542.20 : 651,813.30 = 368,276.10 : x - Step 2: Convert to fraction form
434,542.20/651,813.30 = 368,276.10/x - Step 3: Cross multiply
434,542.20x = 651,813.30 × 368,276.10 - Step 4: Simplify right side
434,542.20x = 240,047,260,052.13 - Step 5: Solve for x
x = 240,047,260,052.13/434,542.20 - Step 6: Final answer
x = 552,414.15
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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.