Finding the Fourth Proportional to 475,321.14, 655,943.18 and 274,117.14
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Solution
The fourth proportional to 475,321.14, 655,943.18 and 274,117.14 is: 378,281.65
Step by Step Solution
- Step 1: Write the proportion equation
475,321.14 : 655,943.18 = 274,117.14 : x - Step 2: Convert to fraction form
475,321.14/655,943.18 = 274,117.14/x - Step 3: Cross multiply
475,321.14x = 655,943.18 × 274,117.14 - Step 4: Simplify right side
475,321.14x = 179,805,267,133.52 - Step 5: Solve for x
x = 179,805,267,133.52/475,321.14 - Step 6: Final answer
x = 378,281.65
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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.