Finding the Fourth Proportional to 446,142.95, 668,402.51 and 398,313.26
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Solution
The fourth proportional to 446,142.95, 668,402.51 and 398,313.26 is: 596,745.02
Step by Step Solution
- Step 1: Write the proportion equation
446,142.95 : 668,402.51 = 398,313.26 : x - Step 2: Convert to fraction form
446,142.95/668,402.51 = 398,313.26/x - Step 3: Cross multiply
446,142.95x = 668,402.51 × 398,313.26 - Step 4: Simplify right side
446,142.95x = 266,233,583,468.13 - Step 5: Solve for x
x = 266,233,583,468.13/446,142.95 - Step 6: Final answer
x = 596,745.02
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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.