Finding the Fourth Proportional to 461,409.96, 636,747.48 and 257,469.48
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Solution
The fourth proportional to 461,409.96, 636,747.48 and 257,469.48 is: 355,308.85
Step by Step Solution
- Step 1: Write the proportion equation
461,409.96 : 636,747.48 = 257,469.48 : x - Step 2: Convert to fraction form
461,409.96/636,747.48 = 257,469.48/x - Step 3: Cross multiply
461,409.96x = 636,747.48 × 257,469.48 - Step 4: Simplify right side
461,409.96x = 163,943,042,566.91 - Step 5: Solve for x
x = 163,943,042,566.91/461,409.96 - Step 6: Final answer
x = 355,308.85
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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.