Finding the Fourth Proportional to 628,442.96, 942,708.24 and 208,014.08
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Solution
The fourth proportional to 628,442.96, 942,708.24 and 208,014.08 is: 312,035.62
Step by Step Solution
- Step 1: Write the proportion equation
628,442.96 : 942,708.24 = 208,014.08 : x - Step 2: Convert to fraction form
628,442.96/942,708.24 = 208,014.08/x - Step 3: Cross multiply
628,442.96x = 942,708.24 × 208,014.08 - Step 4: Simplify right side
628,442.96x = 196,096,587,252.02 - Step 5: Solve for x
x = 196,096,587,252.02/628,442.96 - Step 6: Final answer
x = 312,035.62
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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.