Finding the Fourth Proportional to 248,834.24, 343,391.42 and 135,656.99
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Solution
The fourth proportional to 248,834.24, 343,391.42 and 135,656.99 is: 187,206.74
Step by Step Solution
- Step 1: Write the proportion equation
248,834.24 : 343,391.42 = 135,656.99 : x - Step 2: Convert to fraction form
248,834.24/343,391.42 = 135,656.99/x - Step 3: Cross multiply
248,834.24x = 343,391.42 × 135,656.99 - Step 4: Simplify right side
248,834.24x = 46,583,446,429.03 - Step 5: Solve for x
x = 46,583,446,429.03/248,834.24 - Step 6: Final answer
x = 187,206.74
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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.