Finding the Fourth Proportional to 383,906.88, 575,970.99 and 117,706.68
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Solution
The fourth proportional to 383,906.88, 575,970.99 and 117,706.68 is: 176,593.95
Step by Step Solution
- Step 1: Write the proportion equation
383,906.88 : 575,970.99 = 117,706.68 : x - Step 2: Convert to fraction form
383,906.88/575,970.99 = 117,706.68/x - Step 3: Cross multiply
383,906.88x = 575,970.99 × 117,706.68 - Step 4: Simplify right side
383,906.88x = 67,795,633,009.21 - Step 5: Solve for x
x = 67,795,633,009.21/383,906.88 - Step 6: Final answer
x = 176,593.95
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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.