Finding the Fourth Proportional to 402,537.80, 603,806.70 and 165,801.80
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Solution
The fourth proportional to 402,537.80, 603,806.70 and 165,801.80 is: 248,702.70
Step by Step Solution
- Step 1: Write the proportion equation
402,537.80 : 603,806.70 = 165,801.80 : x - Step 2: Convert to fraction form
402,537.80/603,806.70 = 165,801.80/x - Step 3: Cross multiply
402,537.80x = 603,806.70 × 165,801.80 - Step 4: Simplify right side
402,537.80x = 100,112,237,712.06 - Step 5: Solve for x
x = 100,112,237,712.06/402,537.80 - Step 6: Final answer
x = 248,702.70
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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.