Finding the Fourth Proportional to 210,210.16, 290,099.48 and 118,361.08
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Solution
The fourth proportional to 210,210.16, 290,099.48 and 118,361.08 is: 163,343.62
Step by Step Solution
- Step 1: Write the proportion equation
210,210.16 : 290,099.48 = 118,361.08 : x - Step 2: Convert to fraction form
210,210.16/290,099.48 = 118,361.08/x - Step 3: Cross multiply
210,210.16x = 290,099.48 × 118,361.08 - Step 4: Simplify right side
210,210.16x = 34,336,487,760.24 - Step 5: Solve for x
x = 34,336,487,760.24/210,210.16 - Step 6: Final answer
x = 163,343.62
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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.