Finding the Fourth Proportional to 288,801.08, 433,093.74 and 99,207.62
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Solution
The fourth proportional to 288,801.08, 433,093.74 and 99,207.62 is: 148,774.37
Step by Step Solution
- Step 1: Write the proportion equation
288,801.08 : 433,093.74 = 99,207.62 : x - Step 2: Convert to fraction form
288,801.08/433,093.74 = 99,207.62/x - Step 3: Cross multiply
288,801.08x = 433,093.74 × 99,207.62 - Step 4: Simplify right side
288,801.08x = 42,966,199,182.30 - Step 5: Solve for x
x = 42,966,199,182.30/288,801.08 - Step 6: Final answer
x = 148,774.37
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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.