Finding the Fourth Proportional to 245,866.84, 368,839.20 and 88,091.80
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Solution
The fourth proportional to 245,866.84, 368,839.20 and 88,091.80 is: 132,151.65
Step by Step Solution
- Step 1: Write the proportion equation
245,866.84 : 368,839.20 = 88,091.80 : x - Step 2: Convert to fraction form
245,866.84/368,839.20 = 88,091.80/x - Step 3: Cross multiply
245,866.84x = 368,839.20 × 88,091.80 - Step 4: Simplify right side
245,866.84x = 32,491,709,038.56 - Step 5: Solve for x
x = 32,491,709,038.56/245,866.84 - Step 6: Final answer
x = 132,151.65
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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.