Finding the Fourth Proportional to 232,986.43, 349,145.11 and 99,830.53
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Solution
The fourth proportional to 232,986.43, 349,145.11 and 99,830.53 is: 149,602.45
Step by Step Solution
- Step 1: Write the proportion equation
232,986.43 : 349,145.11 = 99,830.53 : x - Step 2: Convert to fraction form
232,986.43/349,145.11 = 99,830.53/x - Step 3: Cross multiply
232,986.43x = 349,145.11 × 99,830.53 - Step 4: Simplify right side
232,986.43x = 34,855,341,378.21 - Step 5: Solve for x
x = 34,855,341,378.21/232,986.43 - Step 6: Final answer
x = 149,602.45
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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.