Finding the Fourth Proportional to 438,754.68, 658,132.04 and 106,330.68
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Solution
The fourth proportional to 438,754.68, 658,132.04 and 106,330.68 is: 159,496.02
Step by Step Solution
- Step 1: Write the proportion equation
438,754.68 : 658,132.04 = 106,330.68 : x - Step 2: Convert to fraction form
438,754.68/658,132.04 = 106,330.68/x - Step 3: Cross multiply
438,754.68x = 658,132.04 × 106,330.68 - Step 4: Simplify right side
438,754.68x = 69,979,627,342.99 - Step 5: Solve for x
x = 69,979,627,342.99/438,754.68 - Step 6: Final answer
x = 159,496.02
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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.