Finding the Fourth Proportional to 613,511.35, 920,156.22 and 214,266.26
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Solution
The fourth proportional to 613,511.35, 920,156.22 and 214,266.26 is: 321,360.70
Step by Step Solution
- Step 1: Write the proportion equation
613,511.35 : 920,156.22 = 214,266.26 : x - Step 2: Convert to fraction form
613,511.35/920,156.22 = 214,266.26/x - Step 3: Cross multiply
613,511.35x = 920,156.22 × 214,266.26 - Step 4: Simplify right side
613,511.35x = 197,158,434,175.53 - Step 5: Solve for x
x = 197,158,434,175.53/613,511.35 - Step 6: Final answer
x = 321,360.70
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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.