Finding the Fourth Proportional to 230,583.77, 318,206.03 and 128,615.84
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Solution
The fourth proportional to 230,583.77, 318,206.03 and 128,615.84 is: 177,490.09
Step by Step Solution
- Step 1: Write the proportion equation
230,583.77 : 318,206.03 = 128,615.84 : x - Step 2: Convert to fraction form
230,583.77/318,206.03 = 128,615.84/x - Step 3: Cross multiply
230,583.77x = 318,206.03 × 128,615.84 - Step 4: Simplify right side
230,583.77x = 40,926,335,032.57 - Step 5: Solve for x
x = 40,926,335,032.57/230,583.77 - Step 6: Final answer
x = 177,490.09
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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.