Finding the Fourth Proportional to 479,675.73, 661,941.99 and 261,876.96
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Solution
The fourth proportional to 479,675.73, 661,941.99 and 261,876.96 is: 361,384.46
Step by Step Solution
- Step 1: Write the proportion equation
479,675.73 : 661,941.99 = 261,876.96 : x - Step 2: Convert to fraction form
479,675.73/661,941.99 = 261,876.96/x - Step 3: Cross multiply
479,675.73x = 661,941.99 × 261,876.96 - Step 4: Simplify right side
479,675.73x = 173,347,356,037.55 - Step 5: Solve for x
x = 173,347,356,037.55/479,675.73 - Step 6: Final answer
x = 361,384.46
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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.