Finding the Fourth Proportional to 614,349.17, 921,938.74 and 214,993.40
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Solution
The fourth proportional to 614,349.17, 921,938.74 and 214,993.40 is: 322,635.32
Step by Step Solution
- Step 1: Write the proportion equation
614,349.17 : 921,938.74 = 214,993.40 : x - Step 2: Convert to fraction form
614,349.17/921,938.74 = 214,993.40/x - Step 3: Cross multiply
614,349.17x = 921,938.74 × 214,993.40 - Step 4: Simplify right side
614,349.17x = 198,210,740,847.05 - Step 5: Solve for x
x = 198,210,740,847.05/614,349.17 - Step 6: Final answer
x = 322,635.32
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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.