Finding the Fourth Proportional to 514,312.25, 771,591.50 and 214,626.09
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Solution
The fourth proportional to 514,312.25, 771,591.50 and 214,626.09 is: 321,990.52
Step by Step Solution
- Step 1: Write the proportion equation
514,312.25 : 771,591.50 = 214,626.09 : x - Step 2: Convert to fraction form
514,312.25/771,591.50 = 214,626.09/x - Step 3: Cross multiply
514,312.25x = 771,591.50 × 214,626.09 - Step 4: Simplify right side
514,312.25x = 165,603,665,649.11 - Step 5: Solve for x
x = 165,603,665,649.11/514,312.25 - Step 6: Final answer
x = 321,990.52
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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.