Finding the Fourth Proportional to 229,189.48, 316,276.57 and 127,208.99
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Solution
The fourth proportional to 229,189.48, 316,276.57 and 127,208.99 is: 175,545.68
Step by Step Solution
- Step 1: Write the proportion equation
229,189.48 : 316,276.57 = 127,208.99 : x - Step 2: Convert to fraction form
229,189.48/316,276.57 = 127,208.99/x - Step 3: Cross multiply
229,189.48x = 316,276.57 × 127,208.99 - Step 4: Simplify right side
229,189.48x = 40,233,223,030.36 - Step 5: Solve for x
x = 40,233,223,030.36/229,189.48 - Step 6: Final answer
x = 175,545.68
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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.