Finding the Fourth Proportional to 542,214.16, 813,090.84 and 222,145.68
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Solution
The fourth proportional to 542,214.16, 813,090.84 and 222,145.68 is: 333,124.12
Step by Step Solution
- Step 1: Write the proportion equation
542,214.16 : 813,090.84 = 222,145.68 : x - Step 2: Convert to fraction form
542,214.16/813,090.84 = 222,145.68/x - Step 3: Cross multiply
542,214.16x = 813,090.84 × 222,145.68 - Step 4: Simplify right side
542,214.16x = 180,624,617,553.57 - Step 5: Solve for x
x = 180,624,617,553.57/542,214.16 - Step 6: Final answer
x = 333,124.12
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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.