Finding the Fourth Proportional to 431,390.21, 595,313.64 and 235,152.39
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Solution
The fourth proportional to 431,390.21, 595,313.64 and 235,152.39 is: 324,507.65
Step by Step Solution
- Step 1: Write the proportion equation
431,390.21 : 595,313.64 = 235,152.39 : x - Step 2: Convert to fraction form
431,390.21/595,313.64 = 235,152.39/x - Step 3: Cross multiply
431,390.21x = 595,313.64 × 235,152.39 - Step 4: Simplify right side
431,390.21x = 139,989,423,953.59 - Step 5: Solve for x
x = 139,989,423,953.59/431,390.21 - Step 6: Final answer
x = 324,507.65
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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.