Finding the Fourth Proportional to 133,822.19, 200,733.66 and 45,137.99
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Solution
The fourth proportional to 133,822.19, 200,733.66 and 45,137.99 is: 67,707.11
Step by Step Solution
- Step 1: Write the proportion equation
133,822.19 : 200,733.66 = 45,137.99 : x - Step 2: Convert to fraction form
133,822.19/200,733.66 = 45,137.99/x - Step 3: Cross multiply
133,822.19x = 200,733.66 × 45,137.99 - Step 4: Simplify right side
133,822.19x = 9,060,713,937.74 - Step 5: Solve for x
x = 9,060,713,937.74/133,822.19 - Step 6: Final answer
x = 67,707.11
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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.