Finding the Fourth Proportional to 402,276.84, 603,489.03 and 191,914.75
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Solution
The fourth proportional to 402,276.84, 603,489.03 and 191,914.75 is: 287,907.32
Step by Step Solution
- Step 1: Write the proportion equation
402,276.84 : 603,489.03 = 191,914.75 : x - Step 2: Convert to fraction form
402,276.84/603,489.03 = 191,914.75/x - Step 3: Cross multiply
402,276.84x = 603,489.03 × 191,914.75 - Step 4: Simplify right side
402,276.84x = 115,818,446,320.19 - Step 5: Solve for x
x = 115,818,446,320.19/402,276.84 - Step 6: Final answer
x = 287,907.32
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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.