Finding the Fourth Proportional to 529,129.64, 793,965.87 and 259,252.62
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Solution
The fourth proportional to 529,129.64, 793,965.87 and 259,252.62 is: 389,011.91
Step by Step Solution
- Step 1: Write the proportion equation
529,129.64 : 793,965.87 = 259,252.62 : x - Step 2: Convert to fraction form
529,129.64/793,965.87 = 259,252.62/x - Step 3: Cross multiply
529,129.64x = 793,965.87 × 259,252.62 - Step 4: Simplify right side
529,129.64x = 205,837,731,988.08 - Step 5: Solve for x
x = 205,837,731,988.08/529,129.64 - Step 6: Final answer
x = 389,011.91
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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.