Finding the Fourth Proportional to 229,158.45, 316,233.91 and 127,177.99
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Solution
The fourth proportional to 229,158.45, 316,233.91 and 127,177.99 is: 175,502.99
Step by Step Solution
- Step 1: Write the proportion equation
229,158.45 : 316,233.91 = 127,177.99 : x - Step 2: Convert to fraction form
229,158.45/316,233.91 = 127,177.99/x - Step 3: Cross multiply
229,158.45x = 316,233.91 × 127,177.99 - Step 4: Simplify right side
229,158.45x = 40,217,993,043.64 - Step 5: Solve for x
x = 40,217,993,043.64/229,158.45 - Step 6: Final answer
x = 175,502.99
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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.