Finding the Fourth Proportional to 355,461.27, 533,285.28 and 127,779.99
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Solution
The fourth proportional to 355,461.27, 533,285.28 and 127,779.99 is: 191,703.55
Step by Step Solution
- Step 1: Write the proportion equation
355,461.27 : 533,285.28 = 127,779.99 : x - Step 2: Convert to fraction form
355,461.27/533,285.28 = 127,779.99/x - Step 3: Cross multiply
355,461.27x = 533,285.28 × 127,779.99 - Step 4: Simplify right side
355,461.27x = 68,143,187,745.55 - Step 5: Solve for x
x = 68,143,187,745.55/355,461.27 - Step 6: Final answer
x = 191,703.55
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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.