Finding the Fourth Proportional to 368,266.08, 552,470.40 and 143,617.44
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Solution
The fourth proportional to 368,266.08, 552,470.40 and 143,617.44 is: 215,453.96
Step by Step Solution
- Step 1: Write the proportion equation
368,266.08 : 552,470.40 = 143,617.44 : x - Step 2: Convert to fraction form
368,266.08/552,470.40 = 143,617.44/x - Step 3: Cross multiply
368,266.08x = 552,470.40 × 143,617.44 - Step 4: Simplify right side
368,266.08x = 79,344,384,523.78 - Step 5: Solve for x
x = 79,344,384,523.78/368,266.08 - Step 6: Final answer
x = 215,453.96
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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.