Finding the Fourth Proportional to 226,405.53, 312,447.12 and 124,434.63
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Solution
The fourth proportional to 226,405.53, 312,447.12 and 124,434.63 is: 171,723.91
Step by Step Solution
- Step 1: Write the proportion equation
226,405.53 : 312,447.12 = 124,434.63 : x - Step 2: Convert to fraction form
226,405.53/312,447.12 = 124,434.63/x - Step 3: Cross multiply
226,405.53x = 312,447.12 × 124,434.63 - Step 4: Simplify right side
226,405.53x = 38,879,242,005.08 - Step 5: Solve for x
x = 38,879,242,005.08/226,405.53 - Step 6: Final answer
x = 171,723.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.