Finding the Fourth Proportional to 376,555.20, 563,899.68 and 209,993.28
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Solution
The fourth proportional to 376,555.20, 563,899.68 and 209,993.28 is: 314,469.55
Step by Step Solution
- Step 1: Write the proportion equation
376,555.20 : 563,899.68 = 209,993.28 : x - Step 2: Convert to fraction form
376,555.20/563,899.68 = 209,993.28/x - Step 3: Cross multiply
376,555.20x = 563,899.68 × 209,993.28 - Step 4: Simplify right side
376,555.20x = 118,415,143,394.15 - Step 5: Solve for x
x = 118,415,143,394.15/376,555.20 - Step 6: Final answer
x = 314,469.55
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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.