Finding the Fourth Proportional to 452,285.21, 624,165.47 and 248,349.28
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Solution
The fourth proportional to 452,285.21, 624,165.47 and 248,349.28 is: 342,728.53
Step by Step Solution
- Step 1: Write the proportion equation
452,285.21 : 624,165.47 = 248,349.28 : x - Step 2: Convert to fraction form
452,285.21/624,165.47 = 248,349.28/x - Step 3: Cross multiply
452,285.21x = 624,165.47 × 248,349.28 - Step 4: Simplify right side
452,285.21x = 155,011,045,075.36 - Step 5: Solve for x
x = 155,011,045,075.36/452,285.21 - Step 6: Final answer
x = 342,728.53
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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.