Finding the Fourth Proportional to 404,409.24, 558,263.70 and 261,239.08
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Solution
The fourth proportional to 404,409.24, 558,263.70 and 261,239.08 is: 360,625.53
Step by Step Solution
- Step 1: Write the proportion equation
404,409.24 : 558,263.70 = 261,239.08 : x - Step 2: Convert to fraction form
404,409.24/558,263.70 = 261,239.08/x - Step 3: Cross multiply
404,409.24x = 558,263.70 × 261,239.08 - Step 4: Simplify right side
404,409.24x = 145,840,295,385.40 - Step 5: Solve for x
x = 145,840,295,385.40/404,409.24 - Step 6: Final answer
x = 360,625.53
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1.5x scale
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.