Finding the Fourth Proportional to 226,538.61, 312,630.08 and 124,558.80
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Solution
The fourth proportional to 226,538.61, 312,630.08 and 124,558.80 is: 171,894.88
Step by Step Solution
- Step 1: Write the proportion equation
226,538.61 : 312,630.08 = 124,558.80 : x - Step 2: Convert to fraction form
226,538.61/312,630.08 = 124,558.80/x - Step 3: Cross multiply
226,538.61x = 312,630.08 × 124,558.80 - Step 4: Simplify right side
226,538.61x = 38,940,826,985.91 - Step 5: Solve for x
x = 38,940,826,985.91/226,538.61 - Step 6: Final answer
x = 171,894.88
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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.