Finding the Fourth Proportional to 636,033.36, 877,747.08 and 349,563.60
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Solution
The fourth proportional to 636,033.36, 877,747.08 and 349,563.60 is: 482,409.33
Step by Step Solution
- Step 1: Write the proportion equation
636,033.36 : 877,747.08 = 349,563.60 : x - Step 2: Convert to fraction form
636,033.36/877,747.08 = 349,563.60/x - Step 3: Cross multiply
636,033.36x = 877,747.08 × 349,563.60 - Step 4: Simplify right side
636,033.36x = 306,828,429,174.29 - Step 5: Solve for x
x = 306,828,429,174.29/636,033.36 - Step 6: Final answer
x = 482,409.33
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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.