Finding the Fourth Proportional to 320,804.64, 480,904.32 and 110,295.36
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Solution
The fourth proportional to 320,804.64, 480,904.32 and 110,295.36 is: 165,338.99
Step by Step Solution
- Step 1: Write the proportion equation
320,804.64 : 480,904.32 = 110,295.36 : x - Step 2: Convert to fraction form
320,804.64/480,904.32 = 110,295.36/x - Step 3: Cross multiply
320,804.64x = 480,904.32 × 110,295.36 - Step 4: Simplify right side
320,804.64x = 53,041,515,099.96 - Step 5: Solve for x
x = 53,041,515,099.96/320,804.64 - Step 6: Final answer
x = 165,338.99
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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.