Finding the Fourth Proportional to 457,050.40, 685,463.76 and 190,813.12
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Solution
The fourth proportional to 457,050.40, 685,463.76 and 190,813.12 is: 286,172.99
Step by Step Solution
- Step 1: Write the proportion equation
457,050.40 : 685,463.76 = 190,813.12 : x - Step 2: Convert to fraction form
457,050.40/685,463.76 = 190,813.12/x - Step 3: Cross multiply
457,050.40x = 685,463.76 × 190,813.12 - Step 4: Simplify right side
457,050.40x = 130,795,478,692.53 - Step 5: Solve for x
x = 130,795,478,692.53/457,050.40 - Step 6: Final answer
x = 286,172.99
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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.