Finding the Fourth Proportional to 514,817.08, 772,230.20 and 211,378.12
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Solution
The fourth proportional to 514,817.08, 772,230.20 and 211,378.12 is: 317,069.06
Step by Step Solution
- Step 1: Write the proportion equation
514,817.08 : 772,230.20 = 211,378.12 : x - Step 2: Convert to fraction form
514,817.08/772,230.20 = 211,378.12/x - Step 3: Cross multiply
514,817.08x = 772,230.20 × 211,378.12 - Step 4: Simplify right side
514,817.08x = 163,232,567,883.22 - Step 5: Solve for x
x = 163,232,567,883.22/514,817.08 - Step 6: Final answer
x = 317,069.06
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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.