Finding the Fourth Proportional to 647,142.41, 893,059.53 and 375,371.21
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Solution
The fourth proportional to 647,142.41, 893,059.53 and 375,371.21 is: 518,014.01
Step by Step Solution
- Step 1: Write the proportion equation
647,142.41 : 893,059.53 = 375,371.21 : x - Step 2: Convert to fraction form
647,142.41/893,059.53 = 375,371.21/x - Step 3: Cross multiply
647,142.41x = 893,059.53 × 375,371.21 - Step 4: Simplify right side
647,142.41x = 335,228,836,378.13 - Step 5: Solve for x
x = 335,228,836,378.13/647,142.41 - Step 6: Final answer
x = 518,014.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.