Finding the Fourth Proportional to 288,799.08, 433,090.74 and 99,205.62
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Solution
The fourth proportional to 288,799.08, 433,090.74 and 99,205.62 is: 148,771.37
Step by Step Solution
- Step 1: Write the proportion equation
288,799.08 : 433,090.74 = 99,205.62 : x - Step 2: Convert to fraction form
288,799.08/433,090.74 = 99,205.62/x - Step 3: Cross multiply
288,799.08x = 433,090.74 × 99,205.62 - Step 4: Simplify right side
288,799.08x = 42,965,035,377.96 - Step 5: Solve for x
x = 42,965,035,377.96/288,799.08 - Step 6: Final answer
x = 148,771.37
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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.