Finding the Fourth Proportional to 299,885.70, 413,853.33 and 163,928.70
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Solution
The fourth proportional to 299,885.70, 413,853.33 and 163,928.70 is: 226,227.65
Step by Step Solution
- Step 1: Write the proportion equation
299,885.70 : 413,853.33 = 163,928.70 : x - Step 2: Convert to fraction form
299,885.70/413,853.33 = 163,928.70/x - Step 3: Cross multiply
299,885.70x = 413,853.33 × 163,928.70 - Step 4: Simplify right side
299,885.70x = 67,842,438,377.57 - Step 5: Solve for x
x = 67,842,438,377.57/299,885.70 - Step 6: Final answer
x = 226,227.65
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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.