Finding the Fourth Proportional to 331,643.94, 497,343.51 and 118,354.79
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Solution
The fourth proportional to 331,643.94, 497,343.51 and 118,354.79 is: 177,488.50
Step by Step Solution
- Step 1: Write the proportion equation
331,643.94 : 497,343.51 = 118,354.79 : x - Step 2: Convert to fraction form
331,643.94/497,343.51 = 118,354.79/x - Step 3: Cross multiply
331,643.94x = 497,343.51 × 118,354.79 - Step 4: Simplify right side
331,643.94x = 58,862,984,197.20 - Step 5: Solve for x
x = 58,862,984,197.20/331,643.94 - Step 6: Final answer
x = 177,488.50
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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.