Finding the Fourth Proportional to 216,885.44, 299,298.98 and 121,392.12
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Solution
The fourth proportional to 216,885.44, 299,298.98 and 121,392.12 is: 167,519.49
Step by Step Solution
- Step 1: Write the proportion equation
216,885.44 : 299,298.98 = 121,392.12 : x - Step 2: Convert to fraction form
216,885.44/299,298.98 = 121,392.12/x - Step 3: Cross multiply
216,885.44x = 299,298.98 × 121,392.12 - Step 4: Simplify right side
216,885.44x = 36,332,537,696.04 - Step 5: Solve for x
x = 36,332,537,696.04/216,885.44 - Step 6: Final answer
x = 167,519.49
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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.