Finding the Fourth Proportional to 243,877.12, 336,581.28 and 148,378.08
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Solution
The fourth proportional to 243,877.12, 336,581.28 and 148,378.08 is: 204,780.52
Step by Step Solution
- Step 1: Write the proportion equation
243,877.12 : 336,581.28 = 148,378.08 : x - Step 2: Convert to fraction form
243,877.12/336,581.28 = 148,378.08/x - Step 3: Cross multiply
243,877.12x = 336,581.28 × 148,378.08 - Step 4: Simplify right side
243,877.12x = 49,941,284,090.34 - Step 5: Solve for x
x = 49,941,284,090.34/243,877.12 - Step 6: Final answer
x = 204,780.52
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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.