Finding the Fourth Proportional to 245,368.92, 368,053.47 and 76,902.32
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Solution
The fourth proportional to 245,368.92, 368,053.47 and 76,902.32 is: 115,353.50
Step by Step Solution
- Step 1: Write the proportion equation
245,368.92 : 368,053.47 = 76,902.32 : x - Step 2: Convert to fraction form
245,368.92/368,053.47 = 76,902.32/x - Step 3: Cross multiply
245,368.92x = 368,053.47 × 76,902.32 - Step 4: Simplify right side
245,368.92x = 28,304,164,932.24 - Step 5: Solve for x
x = 28,304,164,932.24/245,368.92 - Step 6: Final answer
x = 115,353.50
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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.