Finding the Fourth Proportional to 234,130.68, 351,205.84 and 74,203.12
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Solution
The fourth proportional to 234,130.68, 351,205.84 and 74,203.12 is: 111,307.79
Step by Step Solution
- Step 1: Write the proportion equation
234,130.68 : 351,205.84 = 74,203.12 : x - Step 2: Convert to fraction form
234,130.68/351,205.84 = 74,203.12/x - Step 3: Cross multiply
234,130.68x = 351,205.84 × 74,203.12 - Step 4: Simplify right side
234,130.68x = 26,060,569,090.22 - Step 5: Solve for x
x = 26,060,569,090.22/234,130.68 - Step 6: Final answer
x = 111,307.79
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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.