Finding the Fourth Proportional to 437,919.14, 656,822.14 and 138,429.95
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Solution
The fourth proportional to 437,919.14, 656,822.14 and 138,429.95 is: 207,627.03
Step by Step Solution
- Step 1: Write the proportion equation
437,919.14 : 656,822.14 = 138,429.95 : x - Step 2: Convert to fraction form
437,919.14/656,822.14 = 138,429.95/x - Step 3: Cross multiply
437,919.14x = 656,822.14 × 138,429.95 - Step 4: Simplify right side
437,919.14x = 90,923,852,368.91 - Step 5: Solve for x
x = 90,923,852,368.91/437,919.14 - Step 6: Final answer
x = 207,627.03
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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.