Finding the Fourth Proportional to 529,261.12, 794,163.36 and 259,384.20
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Solution
The fourth proportional to 529,261.12, 794,163.36 and 259,384.20 is: 389,209.45
Step by Step Solution
- Step 1: Write the proportion equation
529,261.12 : 794,163.36 = 259,384.20 : x - Step 2: Convert to fraction form
529,261.12/794,163.36 = 259,384.20/x - Step 3: Cross multiply
529,261.12x = 794,163.36 × 259,384.20 - Step 4: Simplify right side
529,261.12x = 205,993,427,802.91 - Step 5: Solve for x
x = 205,993,427,802.91/529,261.12 - Step 6: Final answer
x = 389,209.45
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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.