Finding the Fourth Proportional to 266,421.20, 366,912.84 and 260,615.12
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Solution
The fourth proportional to 266,421.20, 366,912.84 and 260,615.12 is: 358,916.76
Step by Step Solution
- Step 1: Write the proportion equation
266,421.20 : 366,912.84 = 260,615.12 : x - Step 2: Convert to fraction form
266,421.20/366,912.84 = 260,615.12/x - Step 3: Cross multiply
266,421.20x = 366,912.84 × 260,615.12 - Step 4: Simplify right side
266,421.20x = 95,623,033,826.14 - Step 5: Solve for x
x = 95,623,033,826.14/266,421.20 - Step 6: Final answer
x = 358,916.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.