Finding the Fourth Proportional to 351,238.53, 526,857.84 and 84,999.09
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Solution
The fourth proportional to 351,238.53, 526,857.84 and 84,999.09 is: 127,498.65
Step by Step Solution
- Step 1: Write the proportion equation
351,238.53 : 526,857.84 = 84,999.09 : x - Step 2: Convert to fraction form
351,238.53/526,857.84 = 84,999.09/x - Step 3: Cross multiply
351,238.53x = 526,857.84 × 84,999.09 - Step 4: Simplify right side
351,238.53x = 44,782,436,959.37 - Step 5: Solve for x
x = 44,782,436,959.37/351,238.53 - Step 6: Final answer
x = 127,498.65
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1.5x scale
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.