Finding the Fourth Proportional to 557,264.00, 769,027.28 and 315,593.62
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Solution
The fourth proportional to 557,264.00, 769,027.28 and 315,593.62 is: 435,520.87
Step by Step Solution
- Step 1: Write the proportion equation
557,264.00 : 769,027.28 = 315,593.62 : x - Step 2: Convert to fraction form
557,264.00/769,027.28 = 315,593.62/x - Step 3: Cross multiply
557,264.00x = 769,027.28 × 315,593.62 - Step 4: Simplify right side
557,264.00x = 242,700,101,448.63 - Step 5: Solve for x
x = 242,700,101,448.63/557,264.00 - Step 6: Final answer
x = 435,520.87
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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.