Finding the Fourth Proportional to 242,947.82, 335,268.50 and 135,515.08
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Solution
The fourth proportional to 242,947.82, 335,268.50 and 135,515.08 is: 187,011.09
Step by Step Solution
- Step 1: Write the proportion equation
242,947.82 : 335,268.50 = 135,515.08 : x - Step 2: Convert to fraction form
242,947.82/335,268.50 = 135,515.08/x - Step 3: Cross multiply
242,947.82x = 335,268.50 × 135,515.08 - Step 4: Simplify right side
242,947.82x = 45,433,937,598.98 - Step 5: Solve for x
x = 45,433,937,598.98/242,947.82 - Step 6: Final answer
x = 187,011.09
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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.