Finding the Fourth Proportional to 245,370.92, 368,055.83 and 76,904.09
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Solution
The fourth proportional to 245,370.92, 368,055.83 and 76,904.09 is: 115,355.95
Step by Step Solution
- Step 1: Write the proportion equation
245,370.92 : 368,055.83 = 76,904.09 : x - Step 2: Convert to fraction form
245,370.92/368,055.83 = 76,904.09/x - Step 3: Cross multiply
245,370.92x = 368,055.83 × 76,904.09 - Step 4: Simplify right side
245,370.92x = 28,304,997,284.85 - Step 5: Solve for x
x = 28,304,997,284.85/245,370.92 - Step 6: Final answer
x = 115,355.95
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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.