Finding the Fourth Proportional to 133,218.96, 199,784.70 and 44,448.63
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Solution
The fourth proportional to 133,218.96, 199,784.70 and 44,448.63 is: 66,658.35
Step by Step Solution
- Step 1: Write the proportion equation
133,218.96 : 199,784.70 = 44,448.63 : x - Step 2: Convert to fraction form
133,218.96/199,784.70 = 44,448.63/x - Step 3: Cross multiply
133,218.96x = 199,784.70 × 44,448.63 - Step 4: Simplify right side
133,218.96x = 8,880,156,209.96 - Step 5: Solve for x
x = 8,880,156,209.96/133,218.96 - Step 6: Final answer
x = 66,658.35
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1.5x scale
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.