Finding the Fourth Proportional to 351,279.91, 526,921.23 and 85,039.99
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Solution
The fourth proportional to 351,279.91, 526,921.23 and 85,039.99 is: 127,560.32
Step by Step Solution
- Step 1: Write the proportion equation
351,279.91 : 526,921.23 = 85,039.99 : x - Step 2: Convert to fraction form
351,279.91/526,921.23 = 85,039.99/x - Step 3: Cross multiply
351,279.91x = 526,921.23 × 85,039.99 - Step 4: Simplify right side
351,279.91x = 44,809,376,129.99 - Step 5: Solve for x
x = 44,809,376,129.99/351,279.91 - Step 6: Final answer
x = 127,560.32
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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.