Finding the Fourth Proportional to 108,908.31, 163,304.55 and 37,812.99
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Solution
The fourth proportional to 108,908.31, 163,304.55 and 37,812.99 is: 56,699.38
Step by Step Solution
- Step 1: Write the proportion equation
108,908.31 : 163,304.55 = 37,812.99 : x - Step 2: Convert to fraction form
108,908.31/163,304.55 = 37,812.99/x - Step 3: Cross multiply
108,908.31x = 163,304.55 × 37,812.99 - Step 4: Simplify right side
108,908.31x = 6,175,033,316.10 - Step 5: Solve for x
x = 6,175,033,316.10/108,908.31 - Step 6: Final answer
x = 56,699.38
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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.