Finding the Fourth Proportional to 242,878.64, 364,342.23 and 74,397.02
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Solution
The fourth proportional to 242,878.64, 364,342.23 and 74,397.02 is: 111,602.96
Step by Step Solution
- Step 1: Write the proportion equation
242,878.64 : 364,342.23 = 74,397.02 : x - Step 2: Convert to fraction form
242,878.64/364,342.23 = 74,397.02/x - Step 3: Cross multiply
242,878.64x = 364,342.23 × 74,397.02 - Step 4: Simplify right side
242,878.64x = 27,105,974,350.44 - Step 5: Solve for x
x = 27,105,974,350.44/242,878.64 - Step 6: Final answer
x = 111,602.96
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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.