Finding the Fourth Proportional to 368,589.02, 508,568.70 and 207,385.26
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Solution
The fourth proportional to 368,589.02, 508,568.70 and 207,385.26 is: 286,144.31
Step by Step Solution
- Step 1: Write the proportion equation
368,589.02 : 508,568.70 = 207,385.26 : x - Step 2: Convert to fraction form
368,589.02/508,568.70 = 207,385.26/x - Step 3: Cross multiply
368,589.02x = 508,568.70 × 207,385.26 - Step 4: Simplify right side
368,589.02x = 105,469,652,077.36 - Step 5: Solve for x
x = 105,469,652,077.36/368,589.02 - Step 6: Final answer
x = 286,144.31
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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.