Finding the Fourth Proportional to 229,465.88, 316,651.86 and 127,497.80
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Solution
The fourth proportional to 229,465.88, 316,651.86 and 127,497.80 is: 175,940.82
Step by Step Solution
- Step 1: Write the proportion equation
229,465.88 : 316,651.86 = 127,497.80 : x - Step 2: Convert to fraction form
229,465.88/316,651.86 = 127,497.80/x - Step 3: Cross multiply
229,465.88x = 316,651.86 × 127,497.80 - Step 4: Simplify right side
229,465.88x = 40,372,415,515.91 - Step 5: Solve for x
x = 40,372,415,515.91/229,465.88 - Step 6: Final answer
x = 175,940.82
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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.