Finding the Fourth Proportional to 145,688.04, 201,053.28 and 82,028.16
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Solution
The fourth proportional to 145,688.04, 201,053.28 and 82,028.16 is: 113,200.99
Step by Step Solution
- Step 1: Write the proportion equation
145,688.04 : 201,053.28 = 82,028.16 : x - Step 2: Convert to fraction form
145,688.04/201,053.28 = 82,028.16/x - Step 3: Cross multiply
145,688.04x = 201,053.28 × 82,028.16 - Step 4: Simplify right side
145,688.04x = 16,492,030,620.36 - Step 5: Solve for x
x = 16,492,030,620.36/145,688.04 - Step 6: Final answer
x = 113,200.99
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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.