Finding the Fourth Proportional to 249,861.26, 344,807.43 and 135,140.01
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Solution
The fourth proportional to 249,861.26, 344,807.43 and 135,140.01 is: 186,492.62
Step by Step Solution
- Step 1: Write the proportion equation
249,861.26 : 344,807.43 = 135,140.01 : x - Step 2: Convert to fraction form
249,861.26/344,807.43 = 135,140.01/x - Step 3: Cross multiply
249,861.26x = 344,807.43 × 135,140.01 - Step 4: Simplify right side
249,861.26x = 46,597,279,538.27 - Step 5: Solve for x
x = 46,597,279,538.27/249,861.26 - Step 6: Final answer
x = 186,492.62
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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.