Finding the Fourth Proportional to 292,198.64, 438,322.95 and 102,642.44
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Solution
The fourth proportional to 292,198.64, 438,322.95 and 102,642.44 is: 153,972.43
Step by Step Solution
- Step 1: Write the proportion equation
292,198.64 : 438,322.95 = 102,642.44 : x - Step 2: Convert to fraction form
292,198.64/438,322.95 = 102,642.44/x - Step 3: Cross multiply
292,198.64x = 438,322.95 × 102,642.44 - Step 4: Simplify right side
292,198.64x = 44,990,534,904.38 - Step 5: Solve for x
x = 44,990,534,904.38/292,198.64 - Step 6: Final answer
x = 153,972.43
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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.