Finding the Fourth Proportional to 449,869.39, 620,820.99 and 245,922.75
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Solution
The fourth proportional to 449,869.39, 620,820.99 and 245,922.75 is: 339,374.07
Step by Step Solution
- Step 1: Write the proportion equation
449,869.39 : 620,820.99 = 245,922.75 : x - Step 2: Convert to fraction form
449,869.39/620,820.99 = 245,922.75/x - Step 3: Cross multiply
449,869.39x = 620,820.99 × 245,922.75 - Step 4: Simplify right side
449,869.39x = 152,674,006,055.77 - Step 5: Solve for x
x = 152,674,006,055.77/449,869.39 - Step 6: Final answer
x = 339,374.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.