Finding the Fourth Proportional to 402,203.30, 603,304.95 and 165,715.70
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Solution
The fourth proportional to 402,203.30, 603,304.95 and 165,715.70 is: 248,573.55
Step by Step Solution
- Step 1: Write the proportion equation
402,203.30 : 603,304.95 = 165,715.70 : x - Step 2: Convert to fraction form
402,203.30/603,304.95 = 165,715.70/x - Step 3: Cross multiply
402,203.30x = 603,304.95 × 165,715.70 - Step 4: Simplify right side
402,203.30x = 99,977,102,102.72 - Step 5: Solve for x
x = 99,977,102,102.72/402,203.30 - Step 6: Final answer
x = 248,573.55
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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.