Finding the Fourth Proportional to 302,707.20, 454,060.80 and 92,317.80
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Solution
The fourth proportional to 302,707.20, 454,060.80 and 92,317.80 is: 138,476.70
Step by Step Solution
- Step 1: Write the proportion equation
302,707.20 : 454,060.80 = 92,317.80 : x - Step 2: Convert to fraction form
302,707.20/454,060.80 = 92,317.80/x - Step 3: Cross multiply
302,707.20x = 454,060.80 × 92,317.80 - Step 4: Simplify right side
302,707.20x = 41,917,894,122.24 - Step 5: Solve for x
x = 41,917,894,122.24/302,707.20 - Step 6: Final answer
x = 138,476.70
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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.