Finding the Fourth Proportional to 132,798.63, 183,256.78 and 72,367.99
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Solution
The fourth proportional to 132,798.63, 183,256.78 and 72,367.99 is: 99,864.92
Step by Step Solution
- Step 1: Write the proportion equation
132,798.63 : 183,256.78 = 72,367.99 : x - Step 2: Convert to fraction form
132,798.63/183,256.78 = 72,367.99/x - Step 3: Cross multiply
132,798.63x = 183,256.78 × 72,367.99 - Step 4: Simplify right side
132,798.63x = 13,261,924,934.09 - Step 5: Solve for x
x = 13,261,924,934.09/132,798.63 - Step 6: Final answer
x = 99,864.92
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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.