Finding the Fourth Proportional to 531,368.39, 733,251.72 and 298,830.08
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Solution
The fourth proportional to 531,368.39, 733,251.72 and 298,830.08 is: 412,364.89
Step by Step Solution
- Step 1: Write the proportion equation
531,368.39 : 733,251.72 = 298,830.08 : x - Step 2: Convert to fraction form
531,368.39/733,251.72 = 298,830.08/x - Step 3: Cross multiply
531,368.39x = 733,251.72 × 298,830.08 - Step 4: Simplify right side
531,368.39x = 219,117,666,481.48 - Step 5: Solve for x
x = 219,117,666,481.48/531,368.39 - Step 6: Final answer
x = 412,364.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.