Finding the Fourth Proportional to 292,629.20, 438,251.81 and 249,449.63
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Solution
The fourth proportional to 292,629.20, 438,251.81 and 249,449.63 is: 373,584.56
Step by Step Solution
- Step 1: Write the proportion equation
292,629.20 : 438,251.81 = 249,449.63 : x - Step 2: Convert to fraction form
292,629.20/438,251.81 = 249,449.63/x - Step 3: Cross multiply
292,629.20x = 438,251.81 × 249,449.63 - Step 4: Simplify right side
292,629.20x = 109,321,748,412.82 - Step 5: Solve for x
x = 109,321,748,412.82/292,629.20 - Step 6: Final answer
x = 373,584.56
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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.