Finding the Fourth Proportional to 628,446.36, 942,817.14 and 207,722.19
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Solution
The fourth proportional to 628,446.36, 942,817.14 and 207,722.19 is: 311,632.07
Step by Step Solution
- Step 1: Write the proportion equation
628,446.36 : 942,817.14 = 207,722.19 : x - Step 2: Convert to fraction form
628,446.36/942,817.14 = 207,722.19/x - Step 3: Cross multiply
628,446.36x = 942,817.14 × 207,722.19 - Step 4: Simplify right side
628,446.36x = 195,844,041,090.34 - Step 5: Solve for x
x = 195,844,041,090.34/628,446.36 - Step 6: Final answer
x = 311,632.07
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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.