Finding the Fourth Proportional to 242,878.16, 364,318.14 and 74,397.80
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Solution
The fourth proportional to 242,878.16, 364,318.14 and 74,397.80 is: 111,596.98
Step by Step Solution
- Step 1: Write the proportion equation
242,878.16 : 364,318.14 = 74,397.80 : x - Step 2: Convert to fraction form
242,878.16/364,318.14 = 74,397.80/x - Step 3: Cross multiply
242,878.16x = 364,318.14 × 74,397.80 - Step 4: Simplify right side
242,878.16x = 27,104,468,116.09 - Step 5: Solve for x
x = 27,104,468,116.09/242,878.16 - Step 6: Final answer
x = 111,596.98
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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.