Finding the Fourth Proportional to 351,269.65, 526,905.69 and 85,029.74
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Solution
The fourth proportional to 351,269.65, 526,905.69 and 85,029.74 is: 127,544.90
Step by Step Solution
- Step 1: Write the proportion equation
351,269.65 : 526,905.69 = 85,029.74 : x - Step 2: Convert to fraction form
351,269.65/526,905.69 = 85,029.74/x - Step 3: Cross multiply
351,269.65x = 526,905.69 × 85,029.74 - Step 4: Simplify right side
351,269.65x = 44,802,653,825.22 - Step 5: Solve for x
x = 44,802,653,825.22/351,269.65 - Step 6: Final answer
x = 127,544.90
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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.