Finding the Fourth Proportional to 521,972.40, 783,075.36 and 167,007.68
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Solution
The fourth proportional to 521,972.40, 783,075.36 and 167,007.68 is: 250,548.88
Step by Step Solution
- Step 1: Write the proportion equation
521,972.40 : 783,075.36 = 167,007.68 : x - Step 2: Convert to fraction form
521,972.40/783,075.36 = 167,007.68/x - Step 3: Cross multiply
521,972.40x = 783,075.36 × 167,007.68 - Step 4: Simplify right side
521,972.40x = 130,779,599,138.77 - Step 5: Solve for x
x = 130,779,599,138.77/521,972.40 - Step 6: Final answer
x = 250,548.88
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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.