Finding the Fourth Proportional to 544,915.42, 751,986.99 and 303,208.18
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Solution
The fourth proportional to 544,915.42, 751,986.99 and 303,208.18 is: 418,429.35
Step by Step Solution
- Step 1: Write the proportion equation
544,915.42 : 751,986.99 = 303,208.18 : x - Step 2: Convert to fraction form
544,915.42/751,986.99 = 303,208.18/x - Step 3: Cross multiply
544,915.42x = 751,986.99 × 303,208.18 - Step 4: Simplify right side
544,915.42x = 228,008,606,621.58 - Step 5: Solve for x
x = 228,008,606,621.58/544,915.42 - Step 6: Final answer
x = 418,429.35
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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.