Finding the Fourth Proportional to 202,151.76, 279,059.08 and 130,566.68
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Solution
The fourth proportional to 202,151.76, 279,059.08 and 130,566.68 is: 180,239.92
Step by Step Solution
- Step 1: Write the proportion equation
202,151.76 : 279,059.08 = 130,566.68 : x - Step 2: Convert to fraction form
202,151.76/279,059.08 = 130,566.68/x - Step 3: Cross multiply
202,151.76x = 279,059.08 × 130,566.68 - Step 4: Simplify right side
202,151.76x = 36,435,817,599.45 - Step 5: Solve for x
x = 36,435,817,599.45/202,151.76 - Step 6: Final answer
x = 180,239.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.