Finding the Fourth Proportional to 470,947.11, 706,445.10 and 155,428.62
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Solution
The fourth proportional to 470,947.11, 706,445.10 and 155,428.62 is: 233,150.99
Step by Step Solution
- Step 1: Write the proportion equation
470,947.11 : 706,445.10 = 155,428.62 : x - Step 2: Convert to fraction form
470,947.11/706,445.10 = 155,428.62/x - Step 3: Cross multiply
470,947.11x = 706,445.10 × 155,428.62 - Step 4: Simplify right side
470,947.11x = 109,801,786,998.76 - Step 5: Solve for x
x = 109,801,786,998.76/470,947.11 - Step 6: Final answer
x = 233,150.99
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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.