Finding the Fourth Proportional to 219,525.14, 302,958.69 and 134,630.66
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Solution
The fourth proportional to 219,525.14, 302,958.69 and 134,630.66 is: 185,798.89
Step by Step Solution
- Step 1: Write the proportion equation
219,525.14 : 302,958.69 = 134,630.66 : x - Step 2: Convert to fraction form
219,525.14/302,958.69 = 134,630.66/x - Step 3: Cross multiply
219,525.14x = 302,958.69 × 134,630.66 - Step 4: Simplify right side
219,525.14x = 40,787,528,387.44 - Step 5: Solve for x
x = 40,787,528,387.44/219,525.14 - Step 6: Final answer
x = 185,798.89
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1.5x scale
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.