Finding the Fourth Proportional to 245,623.44, 368,435.14 and 68,130.46
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Solution
The fourth proportional to 245,623.44, 368,435.14 and 68,130.46 is: 102,195.68
Step by Step Solution
- Step 1: Write the proportion equation
245,623.44 : 368,435.14 = 68,130.46 : x - Step 2: Convert to fraction form
245,623.44/368,435.14 = 68,130.46/x - Step 3: Cross multiply
245,623.44x = 368,435.14 × 68,130.46 - Step 4: Simplify right side
245,623.44x = 25,101,655,568.36 - Step 5: Solve for x
x = 25,101,655,568.36/245,623.44 - Step 6: Final answer
x = 102,195.68
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1.5x scale
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.