Finding the Fourth Proportional to 243,309.93, 335,743.71 and 135,877.65
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Solution
The fourth proportional to 243,309.93, 335,743.71 and 135,877.65 is: 187,497.76
Step by Step Solution
- Step 1: Write the proportion equation
243,309.93 : 335,743.71 = 135,877.65 : x - Step 2: Convert to fraction form
243,309.93/335,743.71 = 135,877.65/x - Step 3: Cross multiply
243,309.93x = 335,743.71 × 135,877.65 - Step 4: Simplify right side
243,309.93x = 45,620,066,317.08 - Step 5: Solve for x
x = 45,620,066,317.08/243,309.93 - Step 6: Final answer
x = 187,497.76
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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.