Finding the Fourth Proportional to 149,643.24, 223,973.28 and 113,911.68
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Solution
The fourth proportional to 149,643.24, 223,973.28 and 113,911.68 is: 170,493.32
Step by Step Solution
- Step 1: Write the proportion equation
149,643.24 : 223,973.28 = 113,911.68 : x - Step 2: Convert to fraction form
149,643.24/223,973.28 = 113,911.68/x - Step 3: Cross multiply
149,643.24x = 223,973.28 × 113,911.68 - Step 4: Simplify right side
149,643.24x = 25,513,172,599.91 - Step 5: Solve for x
x = 25,513,172,599.91/149,643.24 - Step 6: Final answer
x = 170,493.32
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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.