Finding the Fourth Proportional to 291,959.63, 402,977.70 and 164,709.03
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Solution
The fourth proportional to 291,959.63, 402,977.70 and 164,709.03 is: 227,339.88
Step by Step Solution
- Step 1: Write the proportion equation
291,959.63 : 402,977.70 = 164,709.03 : x - Step 2: Convert to fraction form
291,959.63/402,977.70 = 164,709.03/x - Step 3: Cross multiply
291,959.63x = 402,977.70 × 164,709.03 - Step 4: Simplify right side
291,959.63x = 66,374,066,078.63 - Step 5: Solve for x
x = 66,374,066,078.63/291,959.63 - Step 6: Final answer
x = 227,339.88
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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.