Finding the Fourth Proportional to 288,893.93, 433,106.01 and 120,539.65
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Solution
The fourth proportional to 288,893.93, 433,106.01 and 120,539.65 is: 180,711.47
Step by Step Solution
- Step 1: Write the proportion equation
288,893.93 : 433,106.01 = 120,539.65 : x - Step 2: Convert to fraction form
288,893.93/433,106.01 = 120,539.65/x - Step 3: Cross multiply
288,893.93x = 433,106.01 × 120,539.65 - Step 4: Simplify right side
288,893.93x = 52,206,446,858.30 - Step 5: Solve for x
x = 52,206,446,858.30/288,893.93 - Step 6: Final answer
x = 180,711.47
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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.