Finding the Fourth Proportional to 292,503.75, 438,755.63 and 70,887.75
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Solution
The fourth proportional to 292,503.75, 438,755.63 and 70,887.75 is: 106,331.63
Step by Step Solution
- Step 1: Write the proportion equation
292,503.75 : 438,755.63 = 70,887.75 : x - Step 2: Convert to fraction form
292,503.75/438,755.63 = 70,887.75/x - Step 3: Cross multiply
292,503.75x = 438,755.63 × 70,887.75 - Step 4: Simplify right side
292,503.75x = 31,102,399,056.09 - Step 5: Solve for x
x = 31,102,399,056.09/292,503.75 - Step 6: Final answer
x = 106,331.63
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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.