Finding the Fourth Proportional to 243,177.19, 335,655.09 and 141,225.73
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Solution
The fourth proportional to 243,177.19, 335,655.09 and 141,225.73 is: 194,932.49
Step by Step Solution
- Step 1: Write the proportion equation
243,177.19 : 335,655.09 = 141,225.73 : x - Step 2: Convert to fraction form
243,177.19/335,655.09 = 141,225.73/x - Step 3: Cross multiply
243,177.19x = 335,655.09 × 141,225.73 - Step 4: Simplify right side
243,177.19x = 47,403,133,435.19 - Step 5: Solve for x
x = 47,403,133,435.19/243,177.19 - Step 6: Final answer
x = 194,932.49
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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.