Finding the Fourth Proportional to 226,203.84, 312,161.68 and 124,235.88
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Solution
The fourth proportional to 226,203.84, 312,161.68 and 124,235.88 is: 171,445.72
Step by Step Solution
- Step 1: Write the proportion equation
226,203.84 : 312,161.68 = 124,235.88 : x - Step 2: Convert to fraction form
226,203.84/312,161.68 = 124,235.88/x - Step 3: Cross multiply
226,203.84x = 312,161.68 × 124,235.88 - Step 4: Simplify right side
226,203.84x = 38,781,680,001.77 - Step 5: Solve for x
x = 38,781,680,001.77/226,203.84 - Step 6: Final answer
x = 171,445.72
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1.5x scale
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.