Finding the Fourth Proportional to 245,707.19, 368,562.82 and 68,228.02
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Solution
The fourth proportional to 245,707.19, 368,562.82 and 68,228.02 is: 102,342.60
Step by Step Solution
- Step 1: Write the proportion equation
245,707.19 : 368,562.82 = 68,228.02 : x - Step 2: Convert to fraction form
245,707.19/368,562.82 = 68,228.02/x - Step 3: Cross multiply
245,707.19x = 368,562.82 × 68,228.02 - Step 4: Simplify right side
245,707.19x = 25,146,311,454.22 - Step 5: Solve for x
x = 25,146,311,454.22/245,707.19 - Step 6: Final answer
x = 102,342.60
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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.