Finding the Fourth Proportional to 288,995.80, 433,493.70 and 164,579.80
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Solution
The fourth proportional to 288,995.80, 433,493.70 and 164,579.80 is: 246,869.70
Step by Step Solution
- Step 1: Write the proportion equation
288,995.80 : 433,493.70 = 164,579.80 : x - Step 2: Convert to fraction form
288,995.80/433,493.70 = 164,579.80/x - Step 3: Cross multiply
288,995.80x = 433,493.70 × 164,579.80 - Step 4: Simplify right side
288,995.80x = 71,344,306,447.26 - Step 5: Solve for x
x = 71,344,306,447.26/288,995.80 - Step 6: Final answer
x = 246,869.70
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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.