Finding the Fourth Proportional to 168,729.44, 232,851.48 and 93,282.80
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Solution
The fourth proportional to 168,729.44, 232,851.48 and 93,282.80 is: 128,732.95
Step by Step Solution
- Step 1: Write the proportion equation
168,729.44 : 232,851.48 = 93,282.80 : x - Step 2: Convert to fraction form
168,729.44/232,851.48 = 93,282.80/x - Step 3: Cross multiply
168,729.44x = 232,851.48 × 93,282.80 - Step 4: Simplify right side
168,729.44x = 21,721,037,806.23 - Step 5: Solve for x
x = 21,721,037,806.23/168,729.44 - Step 6: Final answer
x = 128,732.95
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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.