Finding the Fourth Proportional to 243,224.52, 335,657.98 and 135,795.80
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Solution
The fourth proportional to 243,224.52, 335,657.98 and 135,795.80 is: 187,402.75
Step by Step Solution
- Step 1: Write the proportion equation
243,224.52 : 335,657.98 = 135,795.80 : x - Step 2: Convert to fraction form
243,224.52/335,657.98 = 135,795.80/x - Step 3: Cross multiply
243,224.52x = 335,657.98 × 135,795.80 - Step 4: Simplify right side
243,224.52x = 45,580,943,920.48 - Step 5: Solve for x
x = 45,580,943,920.48/243,224.52 - Step 6: Final answer
x = 187,402.75
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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.