Finding the Fourth Proportional to 343,537.15, 515,237.91 and 115,810.23
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Solution
The fourth proportional to 343,537.15, 515,237.91 and 115,810.23 is: 173,692.49
Step by Step Solution
- Step 1: Write the proportion equation
343,537.15 : 515,237.91 = 115,810.23 : x - Step 2: Convert to fraction form
343,537.15/515,237.91 = 115,810.23/x - Step 3: Cross multiply
343,537.15x = 515,237.91 × 115,810.23 - Step 4: Simplify right side
343,537.15x = 59,669,821,562.00 - Step 5: Solve for x
x = 59,669,821,562.00/343,537.15 - Step 6: Final answer
x = 173,692.49
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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.