Finding the Fourth Proportional to 516,383.02, 774,705.94 and 303,331.08
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Solution
The fourth proportional to 516,383.02, 774,705.94 and 303,331.08 is: 455,073.81
Step by Step Solution
- Step 1: Write the proportion equation
516,383.02 : 774,705.94 = 303,331.08 : x - Step 2: Convert to fraction form
516,383.02/774,705.94 = 303,331.08/x - Step 3: Cross multiply
516,383.02x = 774,705.94 × 303,331.08 - Step 4: Simplify right side
516,383.02x = 234,992,389,462.62 - Step 5: Solve for x
x = 234,992,389,462.62/516,383.02 - Step 6: Final answer
x = 455,073.81
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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.