Finding the Fourth Proportional to 249,146.04, 343,816.74 and 135,969.60
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Solution
The fourth proportional to 249,146.04, 343,816.74 and 135,969.60 is: 187,635.43
Step by Step Solution
- Step 1: Write the proportion equation
249,146.04 : 343,816.74 = 135,969.60 : x - Step 2: Convert to fraction form
249,146.04/343,816.74 = 135,969.60/x - Step 3: Cross multiply
249,146.04x = 343,816.74 × 135,969.60 - Step 4: Simplify right side
249,146.04x = 46,748,624,611.10 - Step 5: Solve for x
x = 46,748,624,611.10/249,146.04 - Step 6: Final answer
x = 187,635.43
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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.