Finding the Fourth Proportional to 242,714.97, 364,072.50 and 84,988.53
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Solution
The fourth proportional to 242,714.97, 364,072.50 and 84,988.53 is: 127,482.81
Step by Step Solution
- Step 1: Write the proportion equation
242,714.97 : 364,072.50 = 84,988.53 : x - Step 2: Convert to fraction form
242,714.97/364,072.50 = 84,988.53/x - Step 3: Cross multiply
242,714.97x = 364,072.50 × 84,988.53 - Step 4: Simplify right side
242,714.97x = 30,941,986,588.43 - Step 5: Solve for x
x = 30,941,986,588.43/242,714.97 - Step 6: Final answer
x = 127,482.81
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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.