Finding the Fourth Proportional to 415,708.98, 623,563.99 and 100,165.88
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Solution
The fourth proportional to 415,708.98, 623,563.99 and 100,165.88 is: 150,248.95
Step by Step Solution
- Step 1: Write the proportion equation
415,708.98 : 623,563.99 = 100,165.88 : x - Step 2: Convert to fraction form
415,708.98/623,563.99 = 100,165.88/x - Step 3: Cross multiply
415,708.98x = 623,563.99 × 100,165.88 - Step 4: Simplify right side
415,708.98x = 62,459,835,794.66 - Step 5: Solve for x
x = 62,459,835,794.66/415,708.98 - Step 6: Final answer
x = 150,248.95
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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.