Finding the Fourth Proportional to 368,115.18, 552,066.06 and 143,425.53
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Solution
The fourth proportional to 368,115.18, 552,066.06 and 143,425.53 is: 215,096.72
Step by Step Solution
- Step 1: Write the proportion equation
368,115.18 : 552,066.06 = 143,425.53 : x - Step 2: Convert to fraction form
368,115.18/552,066.06 = 143,425.53/x - Step 3: Cross multiply
368,115.18x = 552,066.06 × 143,425.53 - Step 4: Simplify right side
368,115.18x = 79,180,367,250.51 - Step 5: Solve for x
x = 79,180,367,250.51/368,115.18 - Step 6: Final answer
x = 215,096.72
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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.