Finding the Fourth Proportional to 225,590.12, 311,197.92 and 152,968.44
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Solution
The fourth proportional to 225,590.12, 311,197.92 and 152,968.44 is: 211,017.49
Step by Step Solution
- Step 1: Write the proportion equation
225,590.12 : 311,197.92 = 152,968.44 : x - Step 2: Convert to fraction form
225,590.12/311,197.92 = 152,968.44/x - Step 3: Cross multiply
225,590.12x = 311,197.92 × 152,968.44 - Step 4: Simplify right side
225,590.12x = 47,603,461,362.43 - Step 5: Solve for x
x = 47,603,461,362.43/225,590.12 - Step 6: Final answer
x = 211,017.49
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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.