Finding the Fourth Proportional to 351,140.76, 484,572.12 and 198,228.42
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Solution
The fourth proportional to 351,140.76, 484,572.12 and 198,228.42 is: 273,554.02
Step by Step Solution
- Step 1: Write the proportion equation
351,140.76 : 484,572.12 = 198,228.42 : x - Step 2: Convert to fraction form
351,140.76/484,572.12 = 198,228.42/x - Step 3: Cross multiply
351,140.76x = 484,572.12 × 198,228.42 - Step 4: Simplify right side
351,140.76x = 96,055,965,723.65 - Step 5: Solve for x
x = 96,055,965,723.65/351,140.76 - Step 6: Final answer
x = 273,554.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.