Finding the Fourth Proportional to 448,825.68, 673,232.76 and 128,985.12
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Solution
The fourth proportional to 448,825.68, 673,232.76 and 128,985.12 is: 193,476.02
Step by Step Solution
- Step 1: Write the proportion equation
448,825.68 : 673,232.76 = 128,985.12 : x - Step 2: Convert to fraction form
448,825.68/673,232.76 = 128,985.12/x - Step 3: Cross multiply
448,825.68x = 673,232.76 × 128,985.12 - Step 4: Simplify right side
448,825.68x = 86,837,008,336.53 - Step 5: Solve for x
x = 86,837,008,336.53/448,825.68 - Step 6: Final answer
x = 193,476.02
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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.