Finding the Fourth Proportional to 514,816.08, 772,228.70 and 211,377.12
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Solution
The fourth proportional to 514,816.08, 772,228.70 and 211,377.12 is: 317,067.56
Step by Step Solution
- Step 1: Write the proportion equation
514,816.08 : 772,228.70 = 211,377.12 : x - Step 2: Convert to fraction form
514,816.08/772,228.70 = 211,377.12/x - Step 3: Cross multiply
514,816.08x = 772,228.70 × 211,377.12 - Step 4: Simplify right side
514,816.08x = 163,231,477,530.46 - Step 5: Solve for x
x = 163,231,477,530.46/514,816.08 - Step 6: Final answer
x = 317,067.56
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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.