Finding the Fourth Proportional to 482,015.80, 723,020.05 and 145,054.99
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Solution
The fourth proportional to 482,015.80, 723,020.05 and 145,054.99 is: 217,581.39
Step by Step Solution
- Step 1: Write the proportion equation
482,015.80 : 723,020.05 = 145,054.99 : x - Step 2: Convert to fraction form
482,015.80/723,020.05 = 145,054.99/x - Step 3: Cross multiply
482,015.80x = 723,020.05 × 145,054.99 - Step 4: Simplify right side
482,015.80x = 104,877,666,122.55 - Step 5: Solve for x
x = 104,877,666,122.55/482,015.80 - Step 6: Final answer
x = 217,581.39
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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.