Finding the Fourth Proportional to 242,848.88, 335,133.36 and 135,425.88
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Solution
The fourth proportional to 242,848.88, 335,133.36 and 135,425.88 is: 186,888.78
Step by Step Solution
- Step 1: Write the proportion equation
242,848.88 : 335,133.36 = 135,425.88 : x - Step 2: Convert to fraction form
242,848.88/335,133.36 = 135,425.88/x - Step 3: Cross multiply
242,848.88x = 335,133.36 × 135,425.88 - Step 4: Simplify right side
242,848.88x = 45,385,730,195.36 - Step 5: Solve for x
x = 45,385,730,195.36/242,848.88 - Step 6: Final answer
x = 186,888.78
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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.