Finding the Fourth Proportional to 657,073.49, 985,232.97 and 257,246.15
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Solution
The fourth proportional to 657,073.49, 985,232.97 and 257,246.15 is: 385,721.52
Step by Step Solution
- Step 1: Write the proportion equation
657,073.49 : 985,232.97 = 257,246.15 : x - Step 2: Convert to fraction form
657,073.49/985,232.97 = 257,246.15/x - Step 3: Cross multiply
657,073.49x = 985,232.97 × 257,246.15 - Step 4: Simplify right side
657,073.49x = 253,447,383,459.40 - Step 5: Solve for x
x = 253,447,383,459.40/657,073.49 - Step 6: Final answer
x = 385,721.52
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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.