Finding the Fourth Proportional to 161,209.10, 222,473.08 and 93,219.53
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Solution
The fourth proportional to 161,209.10, 222,473.08 and 93,219.53 is: 128,645.56
Step by Step Solution
- Step 1: Write the proportion equation
161,209.10 : 222,473.08 = 93,219.53 : x - Step 2: Convert to fraction form
161,209.10/222,473.08 = 93,219.53/x - Step 3: Cross multiply
161,209.10x = 222,473.08 × 93,219.53 - Step 4: Simplify right side
161,209.10x = 20,738,834,959.41 - Step 5: Solve for x
x = 20,738,834,959.41/161,209.10 - Step 6: Final answer
x = 128,645.56
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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.