Finding the Fourth Proportional to 402,153.14, 603,229.35 and 102,633.69
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Solution
The fourth proportional to 402,153.14, 603,229.35 and 102,633.69 is: 153,950.45
Step by Step Solution
- Step 1: Write the proportion equation
402,153.14 : 603,229.35 = 102,633.69 : x - Step 2: Convert to fraction form
402,153.14/603,229.35 = 102,633.69/x - Step 3: Cross multiply
402,153.14x = 603,229.35 × 102,633.69 - Step 4: Simplify right side
402,153.14x = 61,911,654,106.80 - Step 5: Solve for x
x = 61,911,654,106.80/402,153.14 - Step 6: Final answer
x = 153,950.45
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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.