Finding the Fourth Proportional to 642,276.24, 963,549.60 and 242,908.08
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Solution
The fourth proportional to 642,276.24, 963,549.60 and 242,908.08 is: 364,413.27
Step by Step Solution
- Step 1: Write the proportion equation
642,276.24 : 963,549.60 = 242,908.08 : x - Step 2: Convert to fraction form
642,276.24/963,549.60 = 242,908.08/x - Step 3: Cross multiply
642,276.24x = 963,549.60 × 242,908.08 - Step 4: Simplify right side
642,276.24x = 234,053,983,320.77 - Step 5: Solve for x
x = 234,053,983,320.77/642,276.24 - Step 6: Final answer
x = 364,413.27
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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.