Finding the Fourth Proportional to 311,877.14, 467,873.35 and 98,698.70
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Solution
The fourth proportional to 311,877.14, 467,873.35 and 98,698.70 is: 148,066.30
Step by Step Solution
- Step 1: Write the proportion equation
311,877.14 : 467,873.35 = 98,698.70 : x - Step 2: Convert to fraction form
311,877.14/467,873.35 = 98,698.70/x - Step 3: Cross multiply
311,877.14x = 467,873.35 × 98,698.70 - Step 4: Simplify right side
311,877.14x = 46,178,492,332.58 - Step 5: Solve for x
x = 46,178,492,332.58/311,877.14 - Step 6: Final answer
x = 148,066.30
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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.