Finding the Fourth Proportional to 163,587.97, 245,206.99 and 74,708.29
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Solution
The fourth proportional to 163,587.97, 245,206.99 and 74,708.29 is: 111,982.53
Step by Step Solution
- Step 1: Write the proportion equation
163,587.97 : 245,206.99 = 74,708.29 : x - Step 2: Convert to fraction form
163,587.97/245,206.99 = 74,708.29/x - Step 3: Cross multiply
163,587.97x = 245,206.99 × 74,708.29 - Step 4: Simplify right side
163,587.97x = 18,318,994,918.95 - Step 5: Solve for x
x = 18,318,994,918.95/163,587.97 - Step 6: Final answer
x = 111,982.53
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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.