Finding the Fourth Proportional to 293,657.13, 440,485.70 and 127,445.13
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Solution
The fourth proportional to 293,657.13, 440,485.70 and 127,445.13 is: 191,167.70
Step by Step Solution
- Step 1: Write the proportion equation
293,657.13 : 440,485.70 = 127,445.13 : x - Step 2: Convert to fraction form
293,657.13/440,485.70 = 127,445.13/x - Step 3: Cross multiply
293,657.13x = 440,485.70 × 127,445.13 - Step 4: Simplify right side
293,657.13x = 56,137,757,299.64 - Step 5: Solve for x
x = 56,137,757,299.64/293,657.13 - Step 6: Final answer
x = 191,167.70
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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.