Finding the Fourth Proportional to 243,512.67, 335,829.93 and 152,877.09
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Solution
The fourth proportional to 243,512.67, 335,829.93 and 152,877.09 is: 210,833.80
Step by Step Solution
- Step 1: Write the proportion equation
243,512.67 : 335,829.93 = 152,877.09 : x - Step 2: Convert to fraction form
243,512.67/335,829.93 = 152,877.09/x - Step 3: Cross multiply
243,512.67x = 335,829.93 × 152,877.09 - Step 4: Simplify right side
243,512.67x = 51,340,702,433.30 - Step 5: Solve for x
x = 51,340,702,433.30/243,512.67 - Step 6: Final answer
x = 210,833.80
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1.5x scale
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.