Finding the Fourth Proportional to 288,804.30, 433,235.40 and 99,239.70
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Solution
The fourth proportional to 288,804.30, 433,235.40 and 99,239.70 is: 148,869.50
Step by Step Solution
- Step 1: Write the proportion equation
288,804.30 : 433,235.40 = 99,239.70 : x - Step 2: Convert to fraction form
288,804.30/433,235.40 = 99,239.70/x - Step 3: Cross multiply
288,804.30x = 433,235.40 × 99,239.70 - Step 4: Simplify right side
288,804.30x = 42,994,151,125.38 - Step 5: Solve for x
x = 42,994,151,125.38/288,804.30 - Step 6: Final answer
x = 148,869.50
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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.