Finding the Fourth Proportional to 242,067.36, 362,985.84 and 84,276.48
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Solution
The fourth proportional to 242,067.36, 362,985.84 and 84,276.48 is: 126,374.61
Step by Step Solution
- Step 1: Write the proportion equation
242,067.36 : 362,985.84 = 84,276.48 : x - Step 2: Convert to fraction form
242,067.36/362,985.84 = 84,276.48/x - Step 3: Cross multiply
242,067.36x = 362,985.84 × 84,276.48 - Step 4: Simplify right side
242,067.36x = 30,591,168,885.04 - Step 5: Solve for x
x = 30,591,168,885.04/242,067.36 - Step 6: Final answer
x = 126,374.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.