Finding the Fourth Proportional to 245,804.12, 368,925.96 and 125,942.84
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Solution
The fourth proportional to 245,804.12, 368,925.96 and 125,942.84 is: 189,026.87
Step by Step Solution
- Step 1: Write the proportion equation
245,804.12 : 368,925.96 = 125,942.84 : x - Step 2: Convert to fraction form
245,804.12/368,925.96 = 125,942.84/x - Step 3: Cross multiply
245,804.12x = 368,925.96 × 125,942.84 - Step 4: Simplify right side
245,804.12x = 46,463,583,152.13 - Step 5: Solve for x
x = 46,463,583,152.13/245,804.12 - Step 6: Final answer
x = 189,026.87
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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.