Finding the Fourth Proportional to 351,052.20, 526,577.15 and 84,812.71
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Solution
The fourth proportional to 351,052.20, 526,577.15 and 84,812.71 is: 127,218.79
Step by Step Solution
- Step 1: Write the proportion equation
351,052.20 : 526,577.15 = 84,812.71 : x - Step 2: Convert to fraction form
351,052.20/526,577.15 = 84,812.71/x - Step 3: Cross multiply
351,052.20x = 526,577.15 × 84,812.71 - Step 4: Simplify right side
351,052.20x = 44,660,437,053.54 - Step 5: Solve for x
x = 44,660,437,053.54/351,052.20 - Step 6: Final answer
x = 127,218.79
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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.