Finding the Fourth Proportional to 659,905.18, 989,845.62 and 210,622.48
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Solution
The fourth proportional to 659,905.18, 989,845.62 and 210,622.48 is: 315,929.84
Step by Step Solution
- Step 1: Write the proportion equation
659,905.18 : 989,845.62 = 210,622.48 : x - Step 2: Convert to fraction form
659,905.18/989,845.62 = 210,622.48/x - Step 3: Cross multiply
659,905.18x = 989,845.62 × 210,622.48 - Step 4: Simplify right side
659,905.18x = 208,483,739,301.54 - Step 5: Solve for x
x = 208,483,739,301.54/659,905.18 - Step 6: Final answer
x = 315,929.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.