Finding the Fourth Proportional to 245,400.05, 368,104.75 and 76,916.68
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Solution
The fourth proportional to 245,400.05, 368,104.75 and 76,916.68 is: 115,376.49
Step by Step Solution
- Step 1: Write the proportion equation
245,400.05 : 368,104.75 = 76,916.68 : x - Step 2: Convert to fraction form
245,400.05/368,104.75 = 76,916.68/x - Step 3: Cross multiply
245,400.05x = 368,104.75 × 76,916.68 - Step 4: Simplify right side
245,400.05x = 28,313,395,262.23 - Step 5: Solve for x
x = 28,313,395,262.23/245,400.05 - Step 6: Final answer
x = 115,376.49
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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.