Finding the Fourth Proportional to 272,187.12, 408,347.64 and 94,695.66
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Solution
The fourth proportional to 272,187.12, 408,347.64 and 94,695.66 is: 142,066.79
Step by Step Solution
- Step 1: Write the proportion equation
272,187.12 : 408,347.64 = 94,695.66 : x - Step 2: Convert to fraction form
272,187.12/408,347.64 = 94,695.66/x - Step 3: Cross multiply
272,187.12x = 408,347.64 × 94,695.66 - Step 4: Simplify right side
272,187.12x = 38,668,749,279.24 - Step 5: Solve for x
x = 38,668,749,279.24/272,187.12 - Step 6: Final answer
x = 142,066.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.