Finding the Fourth Proportional to 383,554.23, 575,354.41 and 117,317.05
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Solution
The fourth proportional to 383,554.23, 575,354.41 and 117,317.05 is: 175,982.63
Step by Step Solution
- Step 1: Write the proportion equation
383,554.23 : 575,354.41 = 117,317.05 : x - Step 2: Convert to fraction form
383,554.23/575,354.41 = 117,317.05/x - Step 3: Cross multiply
383,554.23x = 575,354.41 × 117,317.05 - Step 4: Simplify right side
383,554.23x = 67,498,884,250.29 - Step 5: Solve for x
x = 67,498,884,250.29/383,554.23 - Step 6: Final answer
x = 175,982.63
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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.